This hiking/biking/horse trail along an old railroad grade features trestles, tunnels, and a roadless stretch through the scenic Susan River canyon.

A submerged archeological park still holds the wonders of a Roman Sodom.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Secret gardens just a few miles from downtown Atlanta.

An Australian lake whose pink hue defies scientific explanation.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

The violinist who played on as the Titanic sank is buried in this quiet English cemetery.

This innocent-looking townhome is actually a subway exit.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

A strange, heartwarming, decades-old declaration of love on a New Hampshire roadside.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

One man's grief over the national tragedy has manifested in a pod of homemade whales on his front lawn.

A series of eerie metal stick figures are spread out over four square miles on the bed of a huge salt lake in the Australian Outback.

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

Legends surround this jagged rock formation in the New Mexico desert.

This (occupied) house is 10 feet wide and full of spite.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

A Mysterious Masonic tomb in San Luis Obispo.

An expansive and intricately restored mansion remains from over a century ago--and so do its ghosts.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.