42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

A community gathering place that once housed half-ton tanks and the World's Fair.

The largest non-native tree in Washington

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

This sandstone building is a relic of the Overland Trail.

Massive still life just off the highway in Kansas.

Also known as the Cathedral of the Plains, this church holds the distinction of being one of the "8 Wonders of Kansas."

Iconic figures in concrete and steel in the High Plains of Texas.

A local museum honors Wheeler native Alan Bean, the fourth man to walk on the moon.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

The 40-foot-tall votive candle is the largest of its kind.

On the outskirts of San Antonio, a small bridge is said to be the home of a mysterious local legend known as the "Donkey Lady."

The world's tallest statue of an American hero.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

An equine tribute in a charming Southern city that calls itself "The Horse Capital of the World."

The tallest waterfall in West Virginia.

Step into the courtroom to learn details of the only case in history where ghostly testimony led to a murderer's conviction.

A free museum that memorializes the deadliest river flood in American history, and the civil engineering efforts to tame the Mississippi River.

Northern Kentucky’s very own Notre Dame showcases intricate stained glass and the bones of saints.

A life-sized recreation of the megafauna that once roamed this region is a feature at the birthplace of American paleontology.