This ancient fortress was once the setting for a strange battle won with the help of a lizard.

This ancient Visigothic church might hide an ancient treasure.

This astronomical clock is the second oldest in England.

The ruins of this medieval castle on a foggy hill tell the story of a once-mighty empire.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

The largest freshwater lake in northeast India is also the only floating national park in the world.

This hidden 13th-century tavern room has a few Shakespearean connections.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Eons ago, a rushing lava river formed this pristine passage through solid rock.

Stroll through a wonderland of stupendous moss-covered trees.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

No Gordon Lightfoot song, only a barebones monument to greed.

Steep canyon walls hide a forested oasis in the West Texas desert.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

When this test site was abandoned, they didn't even bother to take the rocket with them.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Inside a beautiful Indian temple is a seemingly magical floating pillar that doesn't touch the ground.

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

The healing properties of this well attracted royals and commoners throughout the Middle Ages.

A toweringly silly piece of modern art has been delighting locals since the 1980s.