A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

The naturally mummified body of a peasant girl saint.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

Traditional Appalachian dances such as the Georgia Rang Tang and the Shoo-Fly Swing are kept alive at this weekly event.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

These azure waters were thought to lead to the Mayan Underworld.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Fortified medieval tower house with lovely roof garden.

Medieval torture techniques with a modern conscience.

The nation's second-ever First Lady urged the founding fathers to "remember the ladies."

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

The world's largest piece of copyrighted artwork.

This 50-foot rock formation looked like a face that was once believed to be that of a Native American chief.

The Burnside Fountain and its questionable interpretation.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.