This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

This remote fort on the Yukon River is a vestige of the wild Alaska gold rush.

Impressive artifacts from Juneau's gold mining days fill this mining site-turned-museum.

The remains of the first saint from Alaska in the Russian Orthodox Church.

Permanent exhibit reminds visitors of the Exxon Valdez.

The first Russian Orthodox church in North America and an Alaskan landmark.

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

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

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

This shrine to the patron saint of Alaska sits on a small tidal island and was built from the land’s own beach stones.

The site of one of Japan's very few American occupations during World War II still holds the relics of a roundly disastrous campaign.

Internationally recognized group that works to protect the wolf and educate the public about its plight.

Don't be a grizzly man. Get personal with Alaska's wild bears from the safety of this conservationist camp.

A rare kind of blue bear can be found chiefly in the national park that shares their name.

Low tide reveals 8,000-year-old rock carvings in Southern Alaska.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

This ghostly Alaska village still clings to a steep cliffside despite having been abandoned for over 50 years.

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

The ruins of this Alaska gold mine form a gorgeous ghost town.

Four-story concrete hotel never opened to customers.