Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

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

A wonderland of caves in eastern Iowa.

A bust of the first president welcomes visitors to the only town in America called George, Washington.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

The inconspicuous grave of the University of Illinois' first president is just steps from the main quadrangle.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

This former shopping outlet is now adorned with beautiful graffiti and murals.

Potential high level nuclear waste storage site for the next 10,000 years and beyond.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

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

World's largest porcine hairball sits in a collection maintained by Benedictine monks.

A Roman-style column in Oregon hides a spiral staircase inside.

A massive sea stack famous for its appearance in The Goonies.

Only known mainland rookery of the threatened Stellar sea lion.

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

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The first declared National Monument in the United States.

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

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

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