Amazing edifice, stop by even if it's closed, but if it is open you should stop by before or after…read morethe Archeology museum which is on the other side. World class collection.

I was under the impression from some brochure that it's an archeological museum. It's a museum for…read morerare and ancient books. Perhaps that interests you, but I felt bamboozled. Also, it's extremely confusing to figure out the entrance and the fee (it happens to be free, but that's not obvious).

Beautiful beautiful rooms and collections Rudest staff of…read moreall time tho Line up early to avoid waiting, otherwise it would be like hours of wait

There was a bit of a wait like an hour or so. We waited in line for at least 1.5 hrs. We spent 3-4…read morehrs and leisurely walked around. I would say if you're a fan of art and old mansions, this would be for you. However, if you have a short attention span and walk very fast through each room, then this place is not for you. Cost was like 3 euros. Madrid is a walkable city so we just walked over here no Uber. Employees were nice and helpful as long as you respect the place.