The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.

The home of aviation trailblazers, in a remote corner of the big city.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A dilapidated dock tells the story of Titanic’s missed arrival.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

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

A crumbling hospital from the 1850s on Roosevelt Island.

One of only two commuter aerial tramways in the United States.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

Waterway populated with abandoned projects, including a submarine.

This small, hidden cove is home to abandoned boats.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

This seemingly unremarkable boulder is said to bear the hoofprint of the devil himself.

Final resting place of the immigrant who brought artificial seltzer water to America.