Three acres of mythology-inspired sculptures are visible from the highway.

You can get anything you want at the former site of the restaurant immortalized by Arlo Guthrie.

Years of neglect and nature took a toll on this 19th-century lighthouse.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

An abandoned dollhouse factory.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

Six peaceful acres in a residential neighborhood dedicated to art and peace.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

An ideal wedding spot that is almost too ideal.

A field of nothing but boulders which resembles a giant's gravel driveway.

The mysterious image is believed to show Edward Hyde, 3rd Earl of Clarendon, in a beautiful blue dress.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A playground the size of a city block is a modernist monument to civic values and public housing.

This Bronx apartment building is officially recognized as the birthplace of hip-hop.

One of Vietnam's only mosques pays tribute to the country's Muslim minority.

This cavern was used as a hidden hospital and safe house during the Vietnam War.

A French-Colonial era collection of taxidermy and wet specimens, secreted away in the National University of Hanoi.

A mile-long navigable cave adorned with stalactites and stalagmites reaching up to 65 feet tall.

An enormous dragon scales the walls of this 17-story temple.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

A white Buddhist temple with a golden restroom.

Stunning wetlands ablaze with pink lotus flowers.