This medieval manor house was equipped with secret compartments for hiding priests.

The narrowest house in America is seven feet of pure spite.

The first (but not only) upside-down house in Germany.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

The loneliest island in New York.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

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

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

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

This abandoned subway station can still be seen on regular commuter trips.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

An intricate and amazing house built by architect Karl Junker.

A fictional town that was briefly brought to life before fading once again out of existence.

This Central New York ghost town was once a prosperous railroad community.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

A hip bar decorated with walls of golden skulls.

A castle built for love, and abandoned due to heartbreak.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

This magical-looking island is notorious for the misfortunes suffered by its owners.

The glowing blue Nymphaeum of Emperor Tiberius.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.