This home is decked out like a psychedelic explosion of colors and bowling balls.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

A haunted hill that supposedly defied gravity.

A mysterious castle built as a monument to lost love.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Where manatees are the snowbird vacationers in these balmy Florida springs.

An underwater city for the dead.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

In the middle of suburban Staten Island, a nearly 150-year-old bakery is preserving the art of a disappearing New York treat.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

A recently abandoned psych ward at the end of Sanatorium Road.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

An enormous overgrown greenhouse teeming with graffiti and wildlife.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

This tiny structure was built by the creator of the Brooklyn Bridge.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

Eccentric stone cairns built on a public New York City beach.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.