A gig as a shuttle driver for Grand Canyon river rafters led Kelly Burke to a life of science and conservation.

Seismologists have a term they use carefully: a "seismic gap." It refers to a section of an active fault that has gone quiet ...

From Jordan Valley, you’ll follow gravel roads that meander through high desert landscape that bears no resemblance to the ...

The best adventures often require you to go against your natural instincts and head downward instead of upward. Howe Caverns ...

Explore North Carolina from a whole new angle and discover caves, hidden passages, and scenic drives that make this road trip ...