Now nearly abandoned, Kaskaskia was once the capital of Illinois and one of the most important towns on the upper Mississippi.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

To find the "unicorns of the deep" you've got to go downstairs.

World's second largest particle accelerator, where nature reveals its secrets.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Resting place of the Texas A&M canine mascots, who watch the game from the grave with their own miniature scoreboard.

The only nuclear weapon assembly and disassembly plant in the U.S.

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

The Grand Canyon of Texas.

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

The first artificial white water river course in North America cuts right through an Indiana city.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

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

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

The park is home to the United States's only still-operating Dutch windmill.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.