A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

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

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

The only place for a truly presidential dram.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

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.

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 Hot Springs presents to you "the only outdoor monument to 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.