This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

This plaque tells the story of an event that took place in an imagined parallel universe.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

This black church sits alone among a field of lava rock.

These naturally occurring but rare geological formations are each about the size of a small house.

The magical, mossy forest that inspired 'Princess Mononoke.'

A striking 12th-century-style castle built on the edge of a cliff.

An Old West film set seen in countless TV shows and movies is open for the public to explore.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

One man spent 10 years building a spectacular section of road because no one else would.

A pub that is literally in the middle of nowhere, but continues to do business.

The last manually operated turntable ferry in the world.

The atmospheric road was never meant to be so creepy.

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

The hidden jewel of Disneyland: a members only playground for the Disney elite.

The final resting place of the songwriter who penned “Take Me Out To The Ball Game."

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

An eerie, decaying ghost town destined to fade into the forest.