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

Home of a 28-foot tall stalagmite known as the War Club.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

An abandoned coal mine reached by a steep hike.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

The failure of one component toppled this entire bridge during rush hour.

The Cadillac Ranch for monster truck aficionados.

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

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

Once one of the most polluted caves in America, now an environmental success story and a museum dedicated to caves.

One of the few surviving "Wigwam"-themed motels.

Prehistoric animals decorate this popular outdoor park.

A former 19th-century tavern, famous for its peach brandy and honey concoction.

In one Santa Monica parking lot a mushroom cloud made of chains heralds a message of peace.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

An offbeat angle on the ocean viewed through an antiquated lens.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A local scoured more than 1,000 acres for stone to create his masterpiece.