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

"The Donut" was built as part of an expensive, ill-fated engineering endeavor.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Turns out you can see the world without ever leaving Maine.

A 4,000-year-old burial site hides behind a roadside Burger King.

Long before wi-fi, this public seat provided the wonder of being online while outdoors.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

The remains of the concrete ship can be seen during low tide.

The world’s first dedicated cloud observation platform.

The control tower at the historic weapons range is now available as a highly unusual vacation rental.

Peek inside restored planes at this off-the-beaten-path collection of aviation archaeology.

This little-known hero has been protecting "The Fens" for close to 400 years, and now from its most powerful challenger yet: climate change.

Climb to the top of this windmill for a scenic panorama and up-close look at wind energy production.

This captivating Bronze Age timber circle spent centuries concealed by the tides.

All that remains of the fishing-vessel-turned-warship is its weathered hull.

The wreckage of an old coastal trading vessel is only visible at low tide.

A fiery crater has been burning in the Karakum Desert since 1971.

The cedar tree in Highgate Cemetery earned its title by accident.

Although it appears much older, this castle-like tower is actually a Georgian-era folly.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.