A rotating cast of guys and dolls in front of a Washington, D.C. building.

Born a slave on the Arlington estate, Parks dug the first graves at Arlington National Cemetery, and was buried there, too.

This mural celebrates the early integration of a New Hampshire baseball team.

The ballpark in "Pigtown" where the Brooklyn Dodgers made their name was replaced with a huge apartment complex.

The birthplace of professional hockey on the shores of Portage Lake.

One of the oldest baseball fields in continuous use has been hosting games since 1878.

The system of air guns are fired off remotely to scare any trespassing avians.

The only tennis court that falls under the jurisdiction of the central bank.

Two small markers remember the Alamo's feline protectors.

This monument remembers the first Japanese Americans forcibly relocated during World War II.

Boise State's stadium was the first non-green football field in the world.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

Retribution for death of infamous mob boss Franie Yale was a case of mistaken identity.

Sports history, made in the Arroyo Seco.

Founded by a man who called himself the greatest hunter alive.

A towering bronze statue memorializes the founding father of postwar American conservatism.

‘Bush the old fire dog died of poison July 5th, 1869. RIP.’

Please don’t anchor your boat onto the Department of Defense’s underwater data cables.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

All that remains of one of the Civil War's more deadly POW camps is a simple flagstone.

The final resting place of one member of the Amistad slave revolt who never made it back home.

This public baseball field is a beloved remainder from of one of the most historic stadiums in the country.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

On a college campus in the Oklahoma panhandle a museum honors the last piece of the contiguous United States to be classified as No Man's Land.