The last of Fairfax County's one-room schoolhouses.

This eye-catching sculpture of rural life seems a bit out of place at a suburban intersection in front of a car dealership.

A graveyard that dates back over 200 years stands near a busy shopping center.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

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

Recorded as the first person buried in Arlington Cemetery.

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

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

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

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

These figures float and flutter in this fountain crafted by famed Swedish sculptor Carl Milles.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

Take a monster truck tour around an ostrich farm in the middle of the desert.

Miniature art that tells an enormous story.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

The world's largest military aircraft cemetery.

The first Protestant church in Arizona and only Gothic Revival style adobe church in the world.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.