The classic Atari game's iconic aliens have invaded downtown San Diego.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

Lavish royal estate punctuated with heated greenhouses.

The sole surviving building from Newgate village, a colonial settlement that was renamed Centreville in 1792 after it was granted town status by the Virginia Assembly.

This restored house built from a Sears kit in the 1930s is a physical remnant of FDR's New Deal following the Great Depression.

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

Two columns and a path leading into the woods at Fort Bennett Park are all that remain of a custom-built, Bavarian-inspired castle

Remnants of a wall built to separate Black residents of Hall's Hill from a newly built subdivision are a grim reminder of segregation in 20th-century Virginia.

The former home of Dr. E.B. Henderson, also known as the "Father of Black Basketball."

This monument traces the segregation line that inspired the first rural branch of the NAACP.

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

This "castle" is actually a limestone and quartz formation hidden along a trail.

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

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

The old building has been restored to its 1907 appearance.

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

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.

Recorded as the first person buried in Arlington Cemetery.

The Pentagon sits on a former island that was in Virginia at low tide and D.C. at high tide.

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

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.

Now a living classroom, this house was once the home of Reverend James Clinton Dent, a formerly enslaved man and a pastor.

The last remaining vestige of a popular 1999 public art display.