A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Community bookshelf of 25-foot-tall book spines.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The national park was once a plantation estate.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

There’s a hidden military meme engraved on the World War II Memorial.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

Home to items never before seen by the public.

Washington's iconic carousel has a nice piece of Civil Rights history.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

A much-maligned monument to teetotalism.

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

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.

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

Yo, Adrian!

Steepest flood safety railway in the entire world.

Memorializing an American tragedy of massive proportions.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."