The first declared National Monument in the United States.

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

Come for the speed, leave in love with the desert.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Museum of Fijian history, including its former tradition of cannibalism.

This blowhole is supposedly caused by a trapped monster.

Watch the newest land on the planet form before your eyes.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

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

Mysterious glowing orbs float through the desert night.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

The drama of nature in full effect in this Nevada State Park.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

A tourist attraction founded around a slumping cabin.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Where the leftovers of love affairs can live on forever.

An enchanting tunnel of cypress trees leads to an old morse code station still used today.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

A massive volcanic plug is now a protected area that hosts a number of bird species.

This giant temperature attraction created some giant electric bills.