Follow in the footsteps of the Buffalo Soldiers, who guarded parks and created trails in Yosemite, Sequoia, and Hawai’i ...

From whale watching in Monterey, California, to dune surfing in Colorado and beach bliss in Hawaii, here are some of the best ...

Kilauea volcano began shooting lava into the air once again Wednesday on the Big Island of Hawaii. This handout photo from ...

A red-hot lava flow two miles long has been attracting crowds to the slopes of Mount Etna on the island of Sicily, Italy.

A city-wide snow removal operation is in effect in Toronto, following historic snowfall over several days. Three separate ...