This public space is speckled with the eerie remnants of a defunct amusement park.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

Priceless space junk on display in front of a local Dairy Queen.

The colossal cartoon man stands outside a Nevada museum.

A California city claims to be the home of a fast-food classic.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

The graffitied ruins stand hidden within the Pennsylvania woods.

A brick-paved former section of the historic coast-to-coast highway.

An idle pastime becomes a record holder in Boys Town, Nebraska.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

A hot dog stand where the heads are just as hot as the dogs.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This shrine to bovine consumption and all things fast food is a slice of culinary history both rare and well done.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

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.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.