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

This beloved roadside attraction welcomes visitors with his signature neon smile.

Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.

A picturesque example of brute-force engineering conquering nature.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

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

A beautiful final resting place for some of the noteworthy deceased.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.

A wall of chewing gum moonlights as collective art.

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

A colorful architectural gem in Seattle's uniquely modern Central Library.

This magnificent Crimean estate was once a playground of the Russian elite.

One of the windiest peaks in Crimea is home to an incredible set of cable bridges.

A castle perched precariously over the Crimean Sea.

This space age health spa looks like a supervillain's lair.

Roman ruins top white travertine terraces formed by ancient hot springs.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A fountain standing as a testament to a doomed alliance.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

A marvel of Byzantine engineering under the streets of Istanbul.

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

This abandoned boat sits on a nude beach, is shaped like a UFO, and is covered in graffiti.