A pair of black granite tails dive into a sea of grass in landlocked Vermont.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

A once celebrated industrial wonder now lurks in a quiet corner of Flathead Lake.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

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.

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.

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

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 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.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

Originally dubbed "Retirement" by the Navy Commodore who built it in 1780, this beautiful mansion is now the centerpiece of a suburban community park.

Hidden in the forest atop a long, winding driveway is this stately home.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Garments from across the globe call this hidden gem home.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.