A defensive structure built during the Hundred Years War has remained useful in one way or another for nearly 700 years.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

The most loyal of little dogs, or a Victorian era publicity stunt?

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Hunt for buried treasure in Nova Scotia.

This replica of the Greek structure is in the heart of Nashville.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Follow the steps, and this roadside artwork will teach you how to dance.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

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

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The second oldest continuously operating bar in Louisiana.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A museum and shop on Bourbon Street located in the French Quarter.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

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

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A local landmark with generations of spraypainted messages, and more being added each day.

The highway's southernmost spot is a beloved local attraction.

A monument celebrating the idea of reaching inaccessible places.