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

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

The second oldest continuously operating bar in Louisiana.

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

There are eight natural springs around town, each with a slightly different taste.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

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

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

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

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

When ecosystems collide in the arid Southwest.

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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

Elvis's own personal tropical hideaway.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

This unassuming building produced some of the world's most famous bells.

Its collection includes a broad array of social, geographic, graphic design, and political history.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

An architectural oddity hides in plain sight on this iconic London bridge.

The commemorative stone column conceals a secret laboratory.