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

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

Georgia's highest point was given its strange name thanks to a simple translation error.

From failed port town to Civil War fort, the ruins of this former defense saw their finest day in the television age.

Settled in 1696, abandoned after the Revolutionary War.

The remains of a chapel created for convenience.

A geological mystery on Camelback Mountain.

A spiritual vortex among the red rocks in Sedona.

This memorial marks the devastating day that Texas City was destroyed in a daisy chain of exploding ships.

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

Minimalist modern art on a repurposed military base in rural Texas.

A Prada store in the West Texas desert that is never open for business.

Deadly airliner crash preserved for those willing to climb and pay respects.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Quite simply the largest tree in the world (by volume).

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

The highest point in Florida is still the lowest high point in the country.

Free public park and gardens filled with peacocks and peahens.

The world's largest military aircraft cemetery.

Portlandia is the second-largest copper repoussé statue in the United States.