Brett Israel

Japan has such a large potential for earthquakes and disaster because the nation sits atop four tectonic plates.

Study explains western North America's present-day landscape.

Gaze at these amazing waterfalls, from tourist attractions to cult favorites.

Rare site over world-famous fossil bed.

Second-oldest lighthouse in Florida still operates today.

Strap on a helmet and pedal through some of the most beautiful terrain in America.

Enjoy this beautiful sunrise photo.

Alaska Volcano Observatory celebrates 25 years in action.

Giant cacti are perfect for nesting owls.

Like something out of a Spider-Man movie, this goat goes vertical.

The warm spring keeps away the snow so bison can feed.

Spring is the perfect season for sandboarding.

Famously-hot park named as dark sky destination.

No 'firedrizzle' this year, Horsetail Fall is glowing like lava.

Home to soaring mountains and the world's biggest trees.

Find solitude deep in the winter wilderness on a backcountry ski trip.

Light show dazzled Alaskans this past weekend.

Refuge has helped deer population in Florida Keys to stage a comeback.

Finding microbes that can withstand the coldest temperatures on Earth.

From the dizzying to the head-scratching, Arches National Park is home to some of the most amazing natural structures on Earth.

Hikers aren't the only ones in need of a break.

Frost flowers could hold secrets about possible extraterrestrial life.

This Christmas red bird takes a breather in one of the most important bird habitats in North America.

Art exhibit on Florida Keys now on display at Biscayne National Park.

While most people never notice them, their trembling calls are commonly heard at night.