The Virginia home of one of the signers of the Declaration of Independence is being preserved with a unique glass facade.

Go through the looking glass in Tokyo's Wonderland-themed shop.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

This impressive system of tanks was used to store drinking water as long as 2,000 years ago.

This eclectic, mosaic-clad home includes a bamboo ping-pong loft and a "Whispermaphones" intercom.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

An upstate New York garage advertises its services by literally putting the automobile above all else.

The great American road trip, but smaller.

A tiny, hidden alleyway dedicated to the father of meteorology.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Home to the world's oldest functioning orrery.

Live out your childhood construction fantasies in this one-of-a-kind gyrating hotel.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

A rotating bridge that carries a little canal over a larger one.

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

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

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

The near loss of the stately fireplaces at this medieval castle spawned some of Britain's most crucial historic preservation laws.

The world's first military tank was designed in this English city amid the stalemate of WWI trench warfare.

Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.