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

A giant sculpture dedicated to a staple of South Bend food culture.

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

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

Siberian husky that delivered a life-saving antitoxin.

At 238 feet above the bottom of a gorge this span is known as the biggest thrill on the road to McCarthy.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

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

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

Four-story concrete hotel never opened to customers.

The ghostly remains of what was once the world's richest copper mine.

The king of U.S. high points towers over every other peak on the continent.

Permanent exhibit reminds visitors of the Exxon Valdez.

Colorful boxes placed over the dead are left to rot and crumble.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

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

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

This hotel has hardly changed in over a century, like a time capsule of old Oregon.

This abandoned motel doesn't welcome guests anymore, but decay and a creepy atmosphere still call it home.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.