This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

One of the best places to see wild Colonial Spanish Mustangs in the United States.

Look closely and you’ll notice that the color changes a third of the way up the tower.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

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

Parking garage where Bob Woodward met Watergate source "Deep Throat."

The romance of early commercial flight still fills this Art Deco destination.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

A forgotten sea village stands silent after hurricanes deemed it obsolete.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A bizarre roadside attraction and the first instance of miniature golf in the world.

An eerie smiling woman looms above the granite tombstones.

A former Confederate hospital serves as a remembrance of wounded and dead soldiers.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

This historic train station has been converted to a locomotive themed hotel.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

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