This expansive bridge in the Canadian wilderness was originally just built for friends.

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

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.

This former coal gasification plant found a curious second life as a popular public park.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

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.

Leave a button on the jacket of this iconic Seattle clown.

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

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

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

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

A wall of chewing gum moonlights as collective art.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

This sculpture forces visitors to confront their relationship with space.

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

A community gathering place that once housed half-ton tanks and the World's Fair.

A 1,000 pound brass bell commemorates a time when this small maritime neighborhood was actually its own separate city.

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

A plaque commemorates the spot in the Oregon woods where the first-ever Geocache was hidden.

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

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.