This 1967 experiment in modular architecture was designed to be a new model for urban living.

This ancient Chinese observatory still contains early astronomy technology.

This windmill has been grinding pigments for traditional paints for more than 200 years.

This concrete memorial commemorates a group of brave locals who saved the crew and passengers of a wrecked ship.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Highly unusual subterranean stupa and adjacent cave monastery.

An 18-meter-long sarcophagus of a constantly growing dead prophet.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

An eccentric German artist built this weird and wondrous castle packed with shocking sculptures and alien art.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Called the "Armenian Stonehenge," this ring of menhirs pierced with holes may be a prehistoric astronomical observatory.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Light still pours into the ruins of this ancient Islamic observatory.

A unique post-modern public space in the middle of the Warehouse District in New Orleans.

Dine on dumplings at the oldest dim sum restaurant in New York.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

Burial ground for revolutionary veterans attracts tall tales, ghost hunters, not enough historians and preservationists.

Rome’s legendary peephole vista is also a former Crusader stronghold.

This deceptively salty lake looks like blushing pink lemonade.

This beautifully deceptive waterfall is something far different from what it appears to be.

These stairs were built to accommodate royals mounted on elephants.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Two monstrous faces loom over a village in Czechia.

Hauntingly beautiful totem poles left by the Haida.