About landforms, geologic features and the geologic structures that form them.
Common types of tectonic landforms.
Dozens of different landforms depicted here.
A photo dictionary of depositional landforms.
A gallery of erosional landform types.
A gallery of strictly geological phenomena.
Several localities of astonishing antiquities.
The major volcano types found on land.
Don't miss our favorite landforms of all.
Pictures of these rare sandbars that extend to an offshore island.
Give this test a try . . . you'll find it's an uphill battle.
Three different seafloor communities have a worldwide connection.
This old standby of the old geology is back on today's scientific cutting edge.
The basic fault types along with their parts.
An embryonic fault is found in southern California.
Faults can rub rocks together so hard, they melt.
Thar they blow! a survey of geysers around the world.
A collection of photos and notes about glaciers and related features.
How do streams cut through bedrock? An elegant experiment opens the enigma.
A century of geologic progress has changed our textbook picture of mountains.
A spontaneous nuclear reactor made of uranium ore may be Earth's neatest trick.
The world's largest landslide is explained with hotspots and superfaults.
Pillow lavas from the present to the Ordovician.
Why do dry lake beds occur? And why are they called playas?
A gallery of photos showing slickensides, fault-polished rock surfaces.
Amazing things go on beneath the surface crust of the Tibetan Plateau.
In rocks, what is not there can be as informative as what is there.
Wave-cut platforms are created by nearshore erosion.
A deep imagery resource with unique notes about desert military operations from the Desert Processes Working Group, U.S. Army Topographic Engineering Center, and the USGS.
A thorough summary by the National Park Service's John Mangimeli.
A special page from the U.S. National Park Service collects all the landlocked sand-related parks in one place. Another page lists
coastal dune parks.
A wide-ranging site about the great deposits of windblown silt in the central United States.
