The most alien-looking place on Earth.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The other side is actually green.

Morocco's Argania trees are infested with nut-hungry goats.

In this desolate valley resides a gorgeous set of rocks sporting a technicolor design.

One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

One of the most spectacular canyons in the world.

The world's northernmost flowers cling tenuously to life on desolate Kaffeklubben Island.

America's smallest "national forest" has only 33 trees.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

Once the largest attraction in Rhode Island, this former amusement park is now a gorgeous coastal state park.

An ancient cemetery with some historic bodies underfoot.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

This site in Caldwell County is the location where the Cherokee and Catawba are said to have entered a peace treaty.

Outsider art meets paleontology at this roadside reptile repository.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

Time travel with sweets across history at this research-based candy store.

Follow the path behind this treat-slinging camper van to a sculpture garden in the forest.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

Bizarre and inspired combination store selling only two items: tires and bibles.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.