The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

Browse an impressive collection of passenger and military aircraft dating back to World War II.

This remote camping site offers incredible stargazing opportunities.

This church on a Tohono O'Odham reservation has stood since 1797.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

A museum chronicling pioneer life constructed over Interstate 80.

Ever wanted to can Spam?

The world's largest otter started his life as a high school shop project.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

A true roadside icon standing on the same plains that the herds once roamed.

Three legendary, living albino buffalo roaming their pastures for all to see.

The metal bird, nicknamed "Sandy," stands nearly 40 feet tall and is an homage to the birds that migrate through North Dakota every year.

The world's largest Holstein cow.

One man's quest to save his town with a trail of record-breaking sculptures.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

The rockpile was the founding landmark for the town of Gillette, and is now the home of the region's history.

Locally known as the "Onion” and the "Egg Beater,” Casper’s most recognizable buildings are beloved local landmarks to many, and eyesores to others.

A devilishly named gorge that was a sign of salvation for many pioneers.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.