The first declared National Monument in the United States.

An idle pastime becomes a record holder in Boys Town, Nebraska.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

The World's Largest Bull.

Eight feet in diameter and more than 24 feet around.

The symbol was surreptitiously built into the river bank by German prisoners of war.

A blacklight journey through a celestial art exhibit.

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

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

A museum honoring Oklahoma military service, where you can look into Hitler's mirror and see a Mickey Mouse gas mask.

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

This marker identifies the location where three states converge.

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

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

On a college campus in the Oklahoma panhandle a museum honors the last piece of the contiguous United States to be classified as No Man's Land.

A tribute to the little-known group of women who were the first ever to fly aircraft in the U.S. military.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A local museum honors Wheeler native Alan Bean, the fourth man to walk on the moon.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

The Grand Canyon of Texas.