The only road through the heart of Glacier National Park.

The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

This small town was built around a marble quarry and named after one of the most famous sources of marble in the world.

A land of debatable treasure.

This is probably not the Target you're looking for.

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

The bottle house obsession struck a Florida man in his retirement, and now he can't stop building.

This phone booth-sized municipal building has been a piece of police property for more than half a century.

Tucked away in the forests of North Florida resides a 19th-century lighthouse.

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

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

One person's lost luggage is another person's treasure.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

More than five miles of underground passageways.

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

This historic train station has been converted to a locomotive themed hotel.

Less a museum than a bizarre fantasy world created by artists and engineers.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The first declared National Monument in the United States.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.