There's a crumbling old mansion inside the Smithsonian National Zoo.

This innocent-looking townhome is actually a subway exit.

This sprawling museum holds one man's giant collection of real tanks.

An alternate history park where the Union Army loses the war... to dinosaurs.

This church is known as "The Home Church of George Washington and George Mason."

This humble resting place belongs to one of history's most celebrated restaurateurs.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

America's first public mental health facility.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

One street divides a single town that stands in two U.S. states.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.