World's first "penitentiary," meant to be humane, drove men insane.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

This massive chapel in the middle of the Indonesian forest is both haunting and fowl.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

Grave of the man allegedly responsible for a series of infamous murders in Boston in the 1960s.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

Museum dedicated to awful artwork.

A beautiful Victorian-era cemetery, complete with a miniature village.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

An eccentric playboy's astounding natural history collection.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

One-time largest man-made structure in the world will be a park in 30 years.

Visit the monolithic tomb of America's most famous general.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

The preserved house of a jazz legend still echoes with his music.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

A self-made museum in Queens, New York continues to display the work of a sculptor known for paving his own way.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

I fought the law and the precinct caved in.