The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A huge resale shop for the cast-offs of the film & television industry.

Where the polar bear watches over everything, and every drink is a double.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Retirement home for giant obsolete machines.

An industrial relic is now one of Europe's most staggering art spaces.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Visible below the waves are memorials to the city's Gold Rush dead.

During the 1990's nearly all of the world's LSD is thought to have come from the operators of the lab once located in this missile silo.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

The bones of an old zoo crumbling in the shadow of a new one.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Mysterious wreckage of a small plane has been lodged in this tree since at least 1971.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

Home of the International Space Hall of Fame.

An abandoned saucer-shaped monument in the Bulgarian mountains.

One of Hollywood’s favorite government buildings.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A natural gas leak provides a flickering flame beneath a waterfall.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.

Wisconsin's most celebrated export gets the royal treatment on I-94.