A roadside music shop featuring a confounding series of folk art installations.

A beautiful geyser under environmental threat.

These stone carvings represent the various governors that once ruled Mumbai.

Visit the art studio of an early 20th-century painter, hidden amid the Great Smoky Mountains.

An abandoned town is hidden in Great Smoky Mountains National Park.

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

The final resting place of New Orleans' most famous voodoo priestess.

The world-record holder for the longest bridge stretching continuously over water.

This bridge is haunted by the ghost of a distraught mother.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

This ancient fortress was once the setting for a strange battle won with the help of a lizard.

A tribute to the creator of the present day Hindu number system.

An eighth-century rock-cut cave temple in the middle of Pune.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

Parts of this former military training ground may have inspired parts of J.R.R. Tolkien's famous fantasy series.

This was the first homestead registered after President Abraham Lincoln signed the Homestead Act into law.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.

This little gem of a museum is a hidden jewel filled with prehistoric treasures.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

This improbable contraption was passed down through five generations of industrious Tennesseans.