Creating new land, shaping forests and carving tunnels through the earth, the volcano fascinates a group of scientists and filmmakers who follow its every action.

The Drakensberg mountain range encompasses massive sandstone buttresses, grass-covered plateaus, and cathedral-like rock towers. But how did these mountains get here?

It is one of Death Valley's most intriguing geological whodunits -- the sliding rocks of the Racetrack Playa.

In this video-enhanced lesson, students will learn how glaciers and glacial movement have affected the Earth through a series of Web interactives and hands-on activities. (Grades 9-12)

Segments from the NATURE episode "Ireland" provide examples of the effects glaciers can have on a landscape.

Big Sur has attracted scientists bent on understanding this remarkable biological melting pot, where plants and animals from different ecosystems mingle side by side.