The remains of a former logging boom town, crumbled away in the forest.

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

A giant roadside black bird marks the location of this eclectic local mall.

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

The world's largest egg has been cracked a number of times over the years but has been repeatedly replaced.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

Considered by many to be one of the most dangerous highways in Alaska.

A suburban street in Anchorage doubles as a runway, and each home has its own airplane hangar.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

A trading post in the North Pole where children send letters.