The oldest Methodist church in the United States has been spreading the good news for over two centuries.

An accidentally hidden library containing the ephemeral history of New York.

The hallucinogenic center of the ancient world.

This legendary city has been a tourist attraction for centuries.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Giant marble phalluses on the sacred island of antiquity.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This famous archeological mystery may be an ancient example of movable type.

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

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

Founded in 670, this ancient mosque is an architectural time portal.

Elaborate tile work in this railway station tells the story of Portugal.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

The history and future of cannabis.

A little sculpture with a large wardrobe.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

The encased skull that is widely believed to belong to St. John the Baptist.

Science fiction's grandfather has a fittingly marvelous tomb.

A moving memorial to the fallen and missing from WWI trenches.

Museum in a swimming pool where the water still flows.

Dentist's hated concrete colossi are now beloved icons of the community.