Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

A white oak with property rights.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The trials and tribulations of marking Poe's grave.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The highest point in Washington state is a volcano covered in glaciers.

A haunting, yet lovingly hand-hewn potters' field full of graves that flood with each heavy rain.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

The crumbling ruins of this southern American fort have survived storms, war, and cults.

The crumbling remains of a 19th century fortess.

An old-timey wax exhibition campily depicting New Orleans legends and scandals.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

This relatively recently abandoned brewery is a tragic reminder of the continuing effects of Hurricane Katrina.

The largest self-built castle in the U.S., six decades in the making.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

A 18th century graveyard and its astonishing cortege of macabre iconography.

This one has sailed five times as far as Sir Francis Drake's famous ship.

A modernist landscape of water and sci-fi concrete.