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

An extravagant western hotel where every floor is the "ground floor."

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

A stone face watches over the river.

Perhaps the most scandalous statue of America's first president.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

An adorably sweet display of sculpted Precious Moments figurines.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

The Midwest's reigning king of surplus stores is full of nothing you need and everything you want.

Ever wanted to can Spam?

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

The "lovely red Vega" of the legendary record-settling pilot.

It was once the base for a series of domestic terror attacks.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Sleepy Minneapolis block beats Guinness Record for most churches on one city block.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

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

An entire city block built completely out of petrified wood.

A toweringly silly piece of modern art has been delighting locals since the 1980s.