The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

A frozen oasis lies beneath the scorching New Mexico desert.

On the edge of the Valles Caldera National Preserve, these rock formations create an eerie landscape.

A museum dedicated to the alleged Roswell Incident.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Collection of vintage trailers double as hotel rooms.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A unique sculpture park that specializes in the huge and bizarre.

Dig for your own trilobites in this goldmine of invertebrates.

Even Henry David Thoreau found this glacial pothole irresistible.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

The only diamond mine in the world where you can keep what you find.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

The intriguing personal collection of a professional demon-chaser.

Nikola Tesla's former home contains an homage hidden from plain sight.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The largest earthwork effigy in the world.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

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

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.