The privately owned cemetery that holds room for Washington's finest when they step down from life.

A super-sized promotional trick that is now a D.C. landmark.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

A small Richmond island dotted with the remnants of hundreds of years of history.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

This museum gives tribute to the underappreciated "Down-South Submarine."

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

Ruins of a Carnegie family mansion on Cumberland Island.

Though nicknamed the “Russian Freighter,” this ship was actually sunk off the coast of Pensacola by the U.S. government in a top-secret operation.

The 44,000-ton aircraft carrier was purposely sunk to create an artificial reef teeming with life.

The "worst battleship ever built" is enjoying a grand second act, submerged 30 feet in the Gulf of Mexico.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

This now-deactivated naval base defended the Florida coast for centuries.

Florida’s half-sized replica of the Vietnam Veterans Wall.