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.

A modest walled graveyard where nobody is actually buried.

Georgia's first brewery is also one of its oldest surviving buildings.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

The ruins of an open-air theater built on this Georgia island in the 1970s.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

So many migrating birds roost on the bridge, it has a special summer speed limit.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

This North Carolina store preserves a historic moment in America's movement for racial equality.

The park is home to the United States's only still-operating Dutch windmill.

Steel remnants of a bridge make up a unique sculpture along the banks of the Illinois River.

Abraham Lincoln's likeness rests at the top of this giant totem pole.

The world's tallest statue of an American hero.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

An abandoned mine where dreams of quicksilver trickled away over 75 years ago.

Once called the Jersey Lilly, this former saloon was the domain of infamous Judge Roy Bean.

Beauty and history abound in this remote West Texas canyon.

This hollowed salt dome is the largest oil storage facility in the world, hoarding 250 million barrels of crude oil.

A private collection of massive steel monsters guarding a Texas pipe works.

The world-record holder for the longest bridge stretching continuously over water.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.