An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

At the United Kingdom's only residential library you can sleep among the books.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

A clock designed to run with perfect accuracy for 10,000 years.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Natural cathedral designed by Italian artist Giuliano Mauri.

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.