The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

Try not to get slimed in Tribeca.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

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

Discover the taste of mold.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The seamy, underground secrets of Portland's criminal past.

Home inspired by the crystal rock formation of the Emerald Estates.

Historic psychiatric asylum and most-filmed location in the Great White North.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.