A walk through the historic city center, under the streets of Seattle.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

The highest point in Washington state is a volcano covered in glaciers.

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

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

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

A Roman-style column in Oregon hides a spiral staircase inside.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

A massive sea stack famous for its appearance in The Goonies.

Only known mainland rookery of the threatened Stellar sea lion.

A collection of colorful dinosaurs hidden in an actual rainforest.

Massive crater in central Oregon.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

An out-of-the-way state park in Oregon that features both a picturesque waterfall and the ruins of a hydropower plant.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

The longest continuous lava tube in Oregon.

The world's last remaining store of its kind.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

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

This frequently-photographed waterfall takes only a short hike to visit.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.