Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

Mine your own precious stones.

Wander among the abandoned ruins of this once-powerful medieval town.

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

These jagged limestone blades cut out through the canopy of the jungles of Borneo.

A Hawaiian stairway to heaven—that you can't climb.

A fantastical group of cliffside stairways, bridges, and twisting paths carved out of stone provide a surreal coastal hike.

999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

Northern Ireland's Brobdingnagian stepping stones.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

These remarkable cascades are the jewels of Upper Tees.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

The United States Capitol's former columns still stand.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

The silly symbol for an underground protest group is now scattered around the city.

A remote horde of architectural treasures fit for Indiana Jones.

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

The sculpture of the deceased cockatoo flops atop its personal plinth.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.