It is an interesting sight to see, but it all starts to look the same after a while, and being around 6 million people's bones just starts to creep you out. However, there's only one way out, so you just have to keep moving forward.

The entrance itself is a nondescript green metal hut, so look hard or you'll miss it!

Note: If you ...

Spooky! Very easy to get to via the Metro. Not expensive. Lots of stairs! No flash photography allowed so your pictures will be dark. It's amazing how many bones are in the tunnels!

The steps could pose a big problem if you are out of shape or older. It's more like 80+ going down and almost 200 coming back up in a very small spiral. There is a long stretch of tunnel before you get to the part with the bones, and the passageway is very narrow and seemingly unending. Another warning for the claustrophobic, don't even ...

The catacombs are amazing; they are unlike anything else I have ever seen. They are a maze of underground tunnels with alcoves that go back up to 20 feet that are full of bones. The sides of the bone piles have designs made from arranging skulls in patterns. It's weird, but really amazing.
I highly recommend this, although I would add the ...

This was a totally fascinating experience and one that I don't think the average person really knows about. It is awesome (in a weird sort of way)to walk underground past rows and rows and rows of bones from the Revolution.

The whole idea of making designs out of someone's bones is rather gross. However, seeing the designs in real life is just amazing!