An installation tells of the horrific 1964 tsunami that devastated Crescent City, California.

As a show of peace, a Japanese naval pilot gifted his 400-year-old Samurai sword to the Oregon town he bombed.

A vertically floating hemlock controls the waves and weather at Crater Lake.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

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

The beginning of the historic Iditarod Trail connecting the Alaskan cities of Seward and Nome.

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

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

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

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

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

A quirky roadside sign was the subject of a years-long legal standoff over highway right-of-way clearances. 

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

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

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

The now-serene site of the largest earthquake ever recorded in North America.

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

See a full-scale whale skeleton and experience the captivating culture of Alaska’s Native people at this heritage center in east Anchorage.

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

Siberian husky that delivered a life-saving antitoxin.

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

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

This Alaskan town appoints the general store's resident feline as honorary mayor.

Four-story concrete hotel never opened to customers.