The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

Nothing says indulgence like a 1,500-pound chocolate castle.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

The ruined remains of a coal mining ghost town are hidden within the woods.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Believe It or Not, Ripley once called this chiseled mountainside “New York’s Mount Rushmore”.

The largest guitar store in the world has been visited by some of music's all-time greats passing through upstate New York.

Eight whimsical acres of metal art.

Buffalo's abandoned concrete grain elevators are getting a second life.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

This once-private estate is now a dreamy, meditative garden that's open to the public.

See wolves, coyotes, and arctic foxes in a natural environment smack in the middle of New York State.

"A hideous albatross in the Hudson River Valley."

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

A mysterious echo seems to defy the laws of acoustics.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

A castle built for love, and abandoned due to heartbreak.