These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

A museum dedicated to the alleged Roswell Incident.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Ever wanted to can Spam?

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

The first home and studio that belonged to the famous architect.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

An impressive collection is dedicated to the legendary beast.

A monument celebrating the idea of reaching inaccessible places.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Hike up to this ancestral grain storage site, but don't touch.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

A reproduction of earth's many biomes.

See massive fossils that are over 200 million years old in northeastern Arizona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A sharp bend in a dramatic river canyon cut through red rocks.

Rippling sand dunes frozen in the Arizona rock.

Most-visited and most-photographed slot canyon in the American Southwest.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.