A small and somewhat hidden memorial to 68 local veterans of the Vietnam War.

This millstone-topped marker details the history of a mill that served as a landmark for both Union and Confederate soldiers during the American Civil War.

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

The last remaining location of a drive-up hot dog stand named after a local pool shark.

It is a 50-foot tall sculpture made of a reclaimed wind turbine wing, concrete, steel, and coins from around the world, located off the Columbia Pike in Northern Virginia suburbia.

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

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

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

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

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

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.

Recorded as the first person buried in Arlington Cemetery.

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

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.

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

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

Parking garage where Bob Woodward met Watergate source "Deep Throat."

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

Situated in a bustling intersection, this "mobile" monument that honors local veterans from five different wars has moved several times but appears to have found its final resting place.

Through a gap in a chain link fence behind an auto shop is one of Arlington’s oldest family cemeteries.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

A whopping 14,000 copper coins cover this miniature fighter jet.

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

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