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    Lost River Caverns - Stalactites

    Lost River Caverns

    (88 reviews)

    $$

    Lost River Caverns is a natural limestone cavern and tourist attraction located in Hellertown,…read morePennsylvania that has been forming for 250,000 years. Consisting of five chambers, the caverns were formed by the karstification or dissolving of the limestone by water. In the past, the cavern was also referred to as "Rentzheimer's Cave" or the "Lost Cave". The "Lost River", so named because the source and mouth of the river have not yet been discovered, flows through it. The temperature in the cave is consistently close to 52 °F (11 °C). The area on the surface of the cavern was a limestone quarry in the 19th century. In 1883, quarry workers ignited a black powder blast to remove limestone from the cliff face. In doing so, they discovered the entrance to the cavern. The first systematic exploration of the cavern didn't take place until three years later. In the years following the cavern's discovery, local residents found the underground spaces ideal for a variety of uses. During the late 1800s, a wooden dance floor was constructed in what is now called the "Crystal Chapel". Regular dances were held in the natural air conditioning of the cave. Irwin Gilman purchased the cave in 1929 and opened it to the public the following year. It is still owned and operated for tours by the Gilman family today. A small museum and gift shop stand above the surface of the cave entrance. From 1949 - 2009, the "Crystal Chapel" was available for weddings and other private ceremonies. Approximately 35,000 tourists explore the caverns annually. My family and I visited the Lost River Caverns this past summer while we were visiting relatives in the area. My wife and I had previously visited some natural caverns in upstate New York years ago. This was the first time that we explored caverns since we became parents. Both of our young sons loved exploring all of the various chambers. The tour was fun for the whole family. Our sons also enjoying learning about the different geological features such as stalactites, stalagmites, and fluorescent rocks. We even bought a toy miners helmet in the gift shop for our older son. If you're looking for a fun family activity to do in the Lehigh Valley, then we recommend visiting the Lost River Caverns.

    The gift shop was fairly large with the usual collection of stuff but in addition had a large…read morecollection of various rocks and gem stones for sale. Our cave guide was enthusiastic and knew her stuff, handling questions as the tour progressed. If you've never been in a cave before you might be impressed but if you have , well I think you'll be disappointed. There aren't all that many types of formations to look at and those that are there are not all that impressive. We picked here because in our local area we have only been to Crystal Cave and thought we'd give it a shot. Glad we did but would recommend Crystal Cave over here. That said, if you've been to say Luray Caverns in Virginia then you won't be blown away by either of them!

    SteelStacks - Christkindlmarkt

    SteelStacks

    (54 reviews)

    This experience checked off one of those long-standing "I did this thing!" moments for 2025--and…read moreI'm really glad I finally made it happen. I attended PEEPSFEST, held December 30-31 from 3-6 p.m. at the SteelStacks campus in Bethlehem. Tickets are required, with general admission priced at $5, making this a very affordable, family-friendly outing. According to the website, the event features indoor and outdoor fun, live music, PEEPS-themed games and crafts hosted by local nonprofits, interactive shows by the Wildlands Conservancy and the Da Vinci Science Center, and character meet-and-greets. The highlight comes at 5:35 p.m. with the iconic drop of a 400-pound, 4'9" PEEPS Chick, followed by a fireworks display. There were also several thoughtful additions that really stood out. I especially appreciated the PBS39 x PEEPSFEST Friendship Bracelet Creation Station, PEEPS IN THE KITCHEN with Chef Julie of Levy Restaurants, and the sensory-friendly space presented by Good Shepherd Rehabilitation--a wonderful option for guests with sensory sensitivities. Kids 12 and under received a special PEEPS tote bag to collect goodies throughout the event, which was clearly a big hit with families. The event takes place on the SteelStacks campus, and honestly, the setting alone is worth the visit. SteelStacks is the largest revitalized brownfield in the country, spanning 10 acres on the former Bethlehem Steel site. Some quick pre-trip research taught me that for nearly a century, Bethlehem Steel was the economic backbone of the Lehigh Valley and helped build some of the most iconic structures in the U.S., including the Golden Gate Bridge, the Chrysler Building, and parts of the Empire State Building, Madison Square Garden, Alcatraz, and the Hoover Dam. When the plant closed in 1995, it left behind both a massive industrial footprint and a void in the local economy. Rather than demolishing the site, the community chose preservation and reinvention. Through a Tax Increment Financing (TIF) district established in 1999, the area was transformed into what is now a thriving hub for arts, culture, education, and community events. Today, the towering blast furnaces--some over 230 feet tall--stand as a powerful reminder of the city's industrial past. From Furnace "A" (dating back to 1915) to Furnace "E," the site stretches nearly a quarter of a mile and once produced thousands of tons of iron daily. The furnaces were last operational on November 18, 1995, but their presence is anything but forgotten. Visually, the SteelStacks campus is absolutely stunning in a raw, industrial way. Standing in the outdoor space beneath the blast furnaces--especially at night--was nearly overwhelming in the best possible sense. The festive, multicolored uplighting against the massive steel structures added a sense of magic and mysticism that photos don't fully capture. Parking is another bonus: free on-site parking is available in multiple lots along First Street year-round (except during Musikfest). Speaking of which, SteelStacks is also home to Musikfest, the nation's largest free music festival--and I'm already scheming a return visit. While PEEPSFEST itself is definitely geared more toward children, it was still a fun and unique way to mark the transition into a new year. It's not something I need to do every year, but I'm genuinely happy to have experienced it. I'd highly recommend it for families with young children, as there's plenty to do, lots of room to roam, and a safe, well-organized environment. SteelStacks is a powerful example of how a community can honor its past while building something vibrant and meaningful for the future--and PEEPSFEST is just one of many reasons to visit.

    This is such a unique concert venue. The steel plant is a very cool backdrop, and I like how it was…read moreall lit up at night for the concert. The venue has plenty of space to roam around, and you can get lots of good views of the stage from all sides. If you don't want to hang in the crowded pit area there are lots of tables further out by the food and drink vendors. The main concert area is a lawn. It seems like for less crowded shows you can bring blankets and chairs, and then for more popular acts it's standing only which made sense. Logistics - Parking is free and easy. The security line moved fast. There were plenty of bathrooms. Bars could be more plentiful (like more small bars vs fewer big bars) since lines seemed crazy. Overall it's a very fun and different place to see a show, and if you live in North Jersey don't overlook the fact that your travel time here is similar to going into the city. It's worth keeping an eye on the calendar for sure!

    HOOVER-MASON Trestle

    HOOVER-MASON Trestle

    (5 reviews)

    This reminds me of a NyC attraction called the Highline, except with different views. I can't…read morebelieve that this used to be a working steel factory in the past. There were small signs on the walk which were all numbered which speaks about the various parts of the trestle and history behind it all. It wasn't a great sight to see, but it sure was interesting. It was very clean the pathway so I was very impressed with all of that. Apparently, there are volunteers helping out to make sure the areas clean.

    I didn't know what to expect when we drove here but after doing some research I learned that if you…read morego to hoovermason.com you can access a free audio tour. (The person at the visitor center didn't mention this at all perhaps because they want you to pay for the guided tour) There are markers that you click on each stop along the trestle that explain the steel business, the making of steel, audio clips from the steel workers and the buildings that you see around you. It was a bit sad to see nature starting to take over the steel plant, trees and vines growing where such a thriving business once took place. Steel for such remarkable structures as the Statue of Liberty and the Golden Gate Bridge was made here! But it's wonderful that this trestle was built (and it's handicapped accessible too!) so that you can really get up close to the incredible stacks and this behemoth man made wonder. Take about 2 hours of your day to explore this and learn a bit about the industry that made Bethlehem great in the early 20th century.

    National Museum of Industrial History - Equipment with pulley system that drove the machines 1

    National Museum of Industrial History

    (21 reviews)

    This review is for the docent-led tour not the museum- which we thought was included in the $15 per…read moreperson fee. Our guide was a very sincere former employee of Bethlehem Steel who started our tour asking if we all were up for an hour and a half walk. We said yes. He started his presentation outside the door of the museum. An hour later we had walked maybe a block up a nondescript driveway as we listened to his stories of mismanagement, nepotism and greed within the company. He also showed pictures and told stories of some of the people who worked there over the years as well as some of the products produced. Some of the stories were interesting but an hours worth standing in the road? I finally asked if we were going to be able to go into some of the deserted fantastic looking buildings - he said no. We left the group and headed off by ourselves and found, across from the Arts Center, a stairway that headed up to the rusted gigantic steel stacks and accompanying infrastructure. Although it was fenced off, it was amazing walking along looking up, down, and around the place, almost close enough to touch. This is what we thought we were going to be learning about on the tour. Did we need to know what each gigantic piece did - not really - Did we waste $30 for the tour - sadly yes. Did we go back to see the museum - no. Will we, most likely not. Should you go? Take a look at the pictures and decide - you don't see this kind of scenery very often.

    Really nice exhibit on different industries that shaped this country and the world. I liked the…read morecomputer exhibit which shows old computer stuff.

    Runner's World - arts - Updated May 2026

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