Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

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

A fitting attraction for the corn capital of the world.

This massive roadside mascot was the first version of the giant to illustrate his butt.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

Taxidermy and miniatures come together to create this unique museum.

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

Large one-man sculpture park in Michigan.

This little barrel-shaped cottage by Lake Superior was once a cartoonist's summer retreat.

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

The king of U.S. high points towers over every other peak on the continent.

Considered by many to be one of the most dangerous highways in Alaska.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

A museum devoted entirely to hammers has more than 1,400 items on display dating back to the Romans.

Rare recess caves fill this unbelievably beautiful Ohio park.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

Roadside collection of 65,000 signs.

Natural earth mounds formed in the far north.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.