February 23, 2017

Hubbard Glacier, AK, United States

Where Hubbard Glacier meets the sea, its 6-mile-wide face calves huge blocks of ice.

February 22, 2017

Florida Everglades, United States

The Everglades are a 60-mile-wide, super-slow-moving subtropical river covering the tip of Florida.

February 21, 2017

Grand Canyon, AZ, United States

A mile down from the canyon’s rim, the Colorado River is still cutting.

February 20, 2017

Redwoods, CA, United States

The tallest trees on the planet hide out in a few remaining tracts of Northern California’s old-growth coastal forests.

February 19, 2017

Niagara Falls, NY, United States

The tourist vessel “Maid of the Mist IV” does a float-by of the American Falls.