These broken shards of ancient ruin may hide an ancient pyramid.

Retribution for death of infamous mob boss Franie Yale was a case of mistaken identity.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Architectureal fantasy quarter of Rome.

Ever hear of the Milazzo Cage?

One of seven Jewish catacombs in Rome and one of only two open to the public.

The underground sanctuary of a mysterious ancient cult.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Play heads or tails with thousands of different coins.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A miniature rainforest is growing inside of a Midtown Manhattan office building.