The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

The site of the climactic scene from the classic horror film is now a historic landmark.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

The United States Capitol's former columns still stand.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

A unusual sanctuary for abused and exotic animals in South Jersey.

Creaky dinosaurs grow in the backroads of Monmouth County, New Jersey.

A world-class collection of mechanical musical instruments and automata.

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

A historic grist mill and active sluice on the Black River.

One man's lifelong obsession with death.

An outlandish shoe shaped house built by an eccentric millionaire.

Glacial erratic or man-made dolmen? It probably wasn't druids.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The Hudson River School comes alive at this palatial estate.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

One man's swirling six-acre monument of stone.

"A hideous albatross in the Hudson River Valley."

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

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