The arch that celebrated the completion of the Lincoln and Victory highways.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Experience a charming 1930s version of "infotainment."

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The fifth-longest natural arch in the world, and the longest outside China.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

Guns that have been defending San Francisco since 1904.

This private residence was the template for one of the most beloved television homes of all time.

A trash dump made beautiful by nature's power.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Jail from the 19th century that was built by inmates.

This working class sculpture pounds his hammer all the livelong day.

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

The first park built over a freeway is a brutalist masterwork.

A wall of chewing gum moonlights as collective art.

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

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

A museum dedicated to the history and exploration of both popular music and science fiction.

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

A giant Troll lurks under one of Seattle's oldest bridges.

Atop an active stratovolcano, two lakes separated by a narrow strip of land.

This incongruous small ferry across the Willamette River north of Salem, Oregon has been operating continuously since the 1850s.

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

A stunning landscape of bunkers that once stored chemical weapons.