Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

An eerie, derelict amusement park in Berlin.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

This derelict building used to house infirm Freemasons, their widows, and orphans.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

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

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

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.

This uninhabited island in Maine is home to various works of art left by visitors over the years.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.