The decorations were inspired by an unlikely missing treasure.

This playground sculpture of an icon from the past is dedicated to the children of the future.

Site of the greatest known waterfall that ever existed.

This large artificial waterfall in Washington state was merely an incidental byproduct of a technological megaproject.

People come from across the globe to swim in this lake believed to have healing properties.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

A bust of the first president welcomes visitors to the only town in America called George, Washington.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Its 27 graveyards represent the many nationalities and ethnic groups that voyaged to this wilderness in the late 19th century.

The tiny church offers succor to travelers driving by, but only eight at a time.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

An abandoned World War II bunker is part of a chain that runs throughout Washington.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

The boulder is a landmark, public art, and an icon.

This monument remembers the first Japanese Americans forcibly relocated during World War II.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

This century-old confectioner's outlet store was plucked right out of the Seattle World's Fair.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This charmingly homemade amusement park has been growing for 40 years.

Approximately 50,000 gallons of water gush from these springs, creating the Metolius River.