A controversial blue hoop has been puzzling freeway drivers since 2013.

The granite head appears to be deep in thought and half buried in the ground.

Since its original beginnings as a weather observatory mountaintop, this facility played an instrumental role in gathering atmospheric data for almost 100 years.

Fossils, railroads, and waterfalls!

In 1909, the steepest and most difficult piece of track on the Canadian Pacific Railway was replaced with a series of spiralling tunnels cut into the mountains.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

A mysterious taxidermy man-beast of the seven seas.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

This bridge provides safe passage for squirrels.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

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

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

This exaggerated sculpture resembles a well known feature of Vancouver:

A pixel art killer whale is frozen mid-leap in this Vancouver square.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Surprisingly Delicious Asian-Style Hot Dogs.

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

Deep into the lower floors of Pike Place, find a date with fowl fate.

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

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

A wall of chewing gum moonlights as collective art.

An LED art installation composed of 600 poles wrapped in kimono fabric.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

A beautiful bamboo trail tucked in this famous Japanese Shrine.