Nature's biggest mammal swims in landlocked Oklahoma.

This is one really big nut.

The world's largest squirrel statue clutches a pecan bigger than your head.

A former utopian healing center created by a huckster and built by derelicts.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

A Prada store in the West Texas desert that is never open for business.

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

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

A multi-storied adobe complex has been inhabited for more than a thousand years.

Legends surround this jagged rock formation in the New Mexico desert.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The Grand Canyon of Texas.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

These aggressively sustainable art homes look like something out of 1970's science fiction.

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