Bridge that died in war and was resurected.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

The ruins of this former mining boomtown once housed over 3,000 people. Now, the population is two.

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

The mayor made the declaration in 2004.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

This playground sculpture of an icon from the past is dedicated to the children of the future.

A wild west land agreement was etched right onto this historic Idaho stone.

Quite simply the largest tree in the world (by volume).

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

France's most famous cemetery, with some of its most curious tombs.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Outsider art meets paleontology at this roadside reptile repository.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The magic's in the hole!

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.