Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

A daily replay of the experiment that proved the rotation of the Earth.

A local prank turned town icon.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

America's smallest town is run by its single citizen/mayor/librarian/bartender.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

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

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

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

Every president in history is immortalized in bronze in downtown Rapid City.

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

Just a man taking his prehistoric pet for a stroll.

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

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

Former villa and estate of James Deering developed to preserve native tropical forests.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

The historic home still shows the scars from a little run-in with the British in 1813.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

An obelisk commemorating Lincoln's role in connecting the coasts.

This zombie-themed restaurant stands out in the heart of corn country.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.