The atmospheric road was never meant to be so creepy.

Rising from the sea like a stone monster.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A whimsical village of unique treehouses resides in a Washington forest.

An acoustic anomaly with a mysterious cause.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

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

A student driver's nightmare.

The angel of death appears to weep black tears at this grave marker.

One person's lost luggage is another person's treasure.

This frequently-photographed waterfall takes only a short hike to visit.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Take a drunken tour inside the world's largest known geode.

An underwater city for the dead.

Museum preserving torture methods from the past.

This naturally-sourced hot spring is now home to a clothing-optional resort.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

This South London cemetery holds the remains of more than 15,000 people.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.