Inside a humble hangar is some of the best roller derby the world has to offer.

A beautiful oddities shop crammed with strange and morbid curiosities.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

Extravagant mosque honors modern Islam.

This expansive bridge in the Canadian wilderness was originally just built for friends.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The remains of an entire Roman city can be explored in this interactive museum.

The Voodoo Superstore of the world.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

Mosaics, storks, and brothels—this ancient city has it all.

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

This massive subterranean fissure is known as the "underground Grand Canyon."

The ruins of an ancient Mayan city, beautifully preserved and only accessible by boat.