The oldest cemetery in Belgium.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

The spectacular and eerie moss-covered grave site of 19th-century Belgian merchant.

Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

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

A beautifully designed asylum was resurrected as a hotel and art center with a ghost story or two.

This Oregon farm is dedicated to teaching people the professional art of tree climbing.

A massive sea stack famous for its appearance in The Goonies.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

This charmingly homemade amusement park has been growing for 40 years.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Hollowed out cedar log tubs set in an ancient towering forest.

The seamy, underground secrets of Portland's criminal past.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

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

Subterranean house made out of a grain silo, located in the Santa Cruz Mountains.

The southernmost outpost of the Russian Empire in colonial America.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

An old-timey medicine shop that once served Chinese laborers during the Gold Rush is still open for business to this day.

The long, arduous journey of the stones of the Abbey of New Clairvaux.

Machinery left over from California's once thriving mercury industry now attracts artists and explorers.

A UFO scrapyard in the California desert.