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

Portlandia is the second-largest copper repoussé statue in the United States.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

The wooden airship was the largest flying boat ever built.

Home of Howard Hughes' Spruce Goose.

Only known mainland rookery of the threatened Stellar sea lion.

According to legend, this rock represents a young girl trapped by an evil ocean spirit.

This historic steamboat is scuttled just a few hundred feet from where it was built over a hundred years ago.

A collection of colorful dinosaurs hidden in an actual rainforest.

As a show of peace, a Japanese naval pilot gifted his 400-year-old Samurai sword to the Oregon town he bombed.

A lighthouse built to save lives that took quite a few with its treacherous location.

This little museum has an exhibit devoted to the elusive forest denizens.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

In the middle of a remote desert town is a surprisingly opulent hotel.

This massive solar generating facility in the Nevada desert has been plagued by difficulties.

The only thing still moving in this town is the eponymous hot spring.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

This enchanting mountain plateau celebrates spooky local folklore.

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

340-foot statue built to honour the Heroes of the Soviet Union.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.