Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

The medieval legend behind this holy well was one of the inspirations behind "Alice's Adventures in Wonderland."

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Long before air conditioning, Persian architects found an ingenious way to cool off.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

This cave system allegedly holds the "metallic library" of a lost ancient civilization.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

Camels and crocodiles share the black waters of this stunning Saharan oasis.

When struck, the strange stones in this park ring like bells.

This 135-year-old weather station studied the effects of the climate on human health.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

A futuristic climate change study is nestled deep within this public land.

Eat like a bird in a bamboo nest.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

The flagship building of an early national restaurant chain is a superb example of terra cotta art.

Waterway populated with abandoned projects, including a submarine.

Sited in an Inner Mongolian desert are the remnants of an important trade stop along the Silk Road.

A barbarous band of serpents guard the bases of these Aztec temples.

For centuries, this large Roman villa remained hidden thanks to the eruption that buried nearby Pompeii and Herculaneum.

Taste the white whiskey that the United States' first president once distilled and enjoyed.

Beer lovers thirsty for knowledge can now visit a museum devoted to the world's largest hop-growing region.

One of Oxford's greatest treasures likely belonged to the legendary King Alfred the Great.