Yo, Adrian!

The world’s first penitentiary, meant to be humane, drove men insane.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

A memorial dedicated to the famed North Pole explorer appropriately sits at the far edge of Arlington National Cemetery.

In what is rumored to be an intentional act of spite, this memorial almost completely obscures the nearby grave of a senior officer.

A battleship’s mast sits atop a turret-like memorial, commemorating those who lost their lives in one of the precipitating events of the Spanish-American War.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

Though his role as the inventor of baseball may be up for debate, fans still festoon Doubleday's grave with baseballs.

Recorded as the first person buried in Arlington Cemetery.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

The rogue roots are gradually consuming some of the historic marble grave markers.

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

The naval commander’s proudest moment in battle is memorialized in this unique tomb at Arlington Cemetery.

Giant busts of 42 U.S. presidents sit, crumbling in a field in Virginia.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

Recently celebrating its 25th anniversary, the garden opened in September 1997 to celebrate the men and women who have had the greatest impact on Key West.

"We Seceded Where Others Failed."

The highway's southernmost spot is a beloved local attraction.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.