Simply amazing especially paired with the caves tour. This entire area is vibrant with foliage and underground waterways. They do a great job limiting access to the water systems to preserve the area. One of the ways to get the best views is with the tour, which is well worth the money. The ticket includes a caves tour through mineral deposit of stalactites. It is the only way to go beneath the abyss for the best view looking up. You finish with a boat ride.
If you opt to not go on a tour, you can hike up or take a cable car to the summit to look down into the abyss (about 40 stories). read more