This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Two massive rock outcroppings on the Oregon coastline.

10,000 flowered plants bloom in the City of Roses.

On the Oregon coast is a natural hole that seems to be draining the sea.

The first declared National Monument in the United States.

This historic railroad hotel built from Kansas limestone was once the most popular hotels for traveling salesmen in the midwest.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Massive still life just off the highway in Kansas.

An experimental, automotive replica of Stonehenge.

One of the first intercontinental ballistic missile sites in the United States.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

A cemetery housing wild west legends in South Dakota.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

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

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

This winding road through an Italian canyon may be the most scenic drive in the world.

Venice's island of the dead.

Go inside to really appreciate this 500-year-old technological masterpiece.

The Emperor Tiberius' palace of debauchery.