If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

These otherworldly limestone formations jut out from the Kansas prairie.

The headquarters of the semiconductor giant has a 10,000-square-foot museum.

This exhibit allows visitors to wander through the interior of a replica Ice Age glacial cave.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

A sparse, solitary sequoia still stands as a living tribute to the famous conservationist who planted it—but it's dying.

This monument honors the band's impromptu performance at Cadillac highschool's homecoming decades ago.

Talula the swan has been welcoming visitors to Elk Rapids, Michigan, for more than four decades.

This museum explores the history and development of dentistry and dental technology in Michigan.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

Taxidermy and miniatures come together to create this unique museum.

This town is home to the world’s largest arch constructed entirely of elk antlers.

A tree full of wishes and footwear.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

Boise State's stadium was the first non-green football field in the world.

This 75-year-old Shakespearean sculpture is painted by a local artist for every season.

A place for ship-lovers to watch the passage of freighters traversing the Great Lakes while learning about their history.

The real-life site of Ichabod Crane's infamous gourd attack.

The colossal cartoon man stands outside a Nevada museum.

Astronomers plan to launch a space telescope into orbit, to find out what exactly stands in the way of an asteroid hitting Earth.

At the time of its completion, it was the tallest dam in the world.

Amazingly, this old machine within the Resorts Casino still functions.

A 19th-century architectural wonder designed by the "father of the skyscraper."

The shared home of a utopian commune that practiced "free love" a century before the hippies.