Before he was America’s most famous preservationist, John Muir was an ingenious mechanical inventor.

The arboretum whose marshy soil sucked up the dreams of housing developers.

Come for the boats, stay to explore the intriguing assortment of art.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

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

This revered mutant tree was felled in an act of ecoterrorism leaving a legacy of myth and possibly murder.

This vast, pristine wilderness is home to a rare subspecies of black bear.

Ice roads, deep holes and 3,500 pounds of diamonds.

Hauntingly beautiful totem poles left by the Haida.

The stunning remnants of this wreck emerge from an otherworldly backdrop of rainforests.

Two islands just 4 km apart separated by an International Border and Date Line.

Alaska Natives have lived on this tiny isolated island in the Bering Strait for over 5,000 years.

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

After a long, dark winter in the upper latitudes, Yellowknife knows how to let it all out in unparalleled style.

This stretch of Canadian road was named after a nickname that stuck so hard the city had to keep it.

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

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

The easternmost town in Alaska can only be accessed from Canada.

Home to vintage vehicles and local artifacts, this museum also houses a rare taxidermy specimen.

At a lodge and RV park is a collection of headwear that comes in at more than 11,300 and counting.

These hellish-looking cliffs in the Canadian Arctic have been burning for centuries.

Locals believe the purity of this huge, untouched Arctic lake could be the salvation of human civilization.

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

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.