Intertwined, interspecies trees which locals believe can grant boons to lovers.

A tribute to Ponce de Leon's supposed quest for eternal youth.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

An eerie smiling woman looms above the granite tombstones.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

The short-lived history of a new republic and British control in West Florida.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

An abandoned bait shop with a front lot filled with storage boxes.

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

The narrowest house in America is seven feet of pure spite.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

Before founding the American Red Cross, Clara Barton had a tremendous humanitarian impact by locating thousands of missing soldiers.

A building shaped like the Army Corps of Engineers logo, because why not?

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Senators used to relax in the nearly forgotten marble tubs now hidden in the U.S. Capitol Building's basement.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.