This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

The world's largest rotating world.

Few other hotels can rival the grandeur of the Castle in the Rockies.

Historic site where Native American hunters once trapped and killed buffalo.

An architect's childhood fantasy treehouse made real.

The only road through the heart of Glacier National Park.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Home to items never before seen by the public.

One of the oldest living oak trees in the Southeast.

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

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.

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

One street divides a single town that stands in two U.S. states.

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

Garden dedicated to native carnivorous plants and site of huge flytrap heist.