Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

A treasure trove of rare and exquisitely detailed antiques

The stone labyrinth in this New Orleans city park was laid to symbolize healing in the wake of Hurricane Katrina.

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A little piece of Paris in the sultry south of the U.S.

When ecosystems collide in the arid Southwest.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Enormous lake at the bottom of a unique cave system.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

An acoustic anomaly with a mysterious cause.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

This super steep hike ascends 2,000 feet in less than a mile.

A little-known hot spring haven right below the highway.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

The largest source of fossilized insects anywhere.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

Abandoned silver mine strewn with wrecked and twisted structures.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

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

More than five miles of underground passageways.