This virtual tour features three-dimensional images from the United States Geological Survey's (USGS) collection. It introduces visitors to the geology, landforms, and history of Crater Lake in Oregon, a lake filling the caldera of what was Mount Mazama, an ancient volcano in the Cascades Range that erupted and collapsed about 7,700 years ago. The 3-D images are anaglyphs and require red and cyan ... Full description.

This virtual tour features three-dimensional images from the United States Geological Survey's (USGS) collection. It introduces visitors to the geology, landforms, and volcanism of Hawaii Volcanoes National Park. Features of interest include Kilauea Caldera and Halema'uma'u Crater, which have been the sites of very recent volcanic activity. There are also views of active lava flows, steam vents, and ... Full description.

This virtual tour features three-dimensional images from the United States Geological Survey's (USGS) collection. It introduces visitors to the volcanic landforms of Lava Beds National Monument in California, the site of extensive recent and Quaternary volcanism. Features include cinder and spatter cones, lava flows, and the monument's extensive network of lava tubes, many of which are open to the ... Full description.

This virtual tour features three-dimensional images from the United States Geological Survey's (USGS) collection. It introduces visitors to the post-eruption landscape around Mount St. Helens in Washington, which collapsed in an eruption in 1980. Features include debris-filled valleys; Coldwater Lake, a new lake dammed by debris from the eruption; and the shell of the old volcano with its resurgent ... Full description.

This virtual tour features three-dimensional images from the United States Geological Survey's (USGS) collection. It introduces visitors to the landscapes of Mount Rainier National Park in Washington, including 14,410-foot Mount Rainier, an active volcano of the Cascades Range. Views include the volcano, nearby Tatoosh Range, and glacial landforms and streams associated with Carbon, Paradise, and ... Full description.

This virtual tour features three-dimensional images from the United States Geological Survey's (USGS) collection. It introduces visitors to the geology and landforms of Mojave National Preserve. Views include cinder cones, layered deposits of rhyolite and basalt tuff, and the Providence Mountain Range. Visitors can also see high desert flora (Joshua trees), limestone caverns, and the evaporite deposits ... Full description.

This virtual tour features three-dimensional images from the United States Geological Survey's (USGS) collection. It introduces visitors to the geology and landforms of Pinnacles National Monument in California, the location of a belt of Tertiary volcanic rocks (tuff, breccia, and ash of rhyolite, dacite, and andesite composition). The location of the Pinnacles volcanic area near the San Andreas Fault ... Full description.

This virtual tour features three-dimensional images from the United States Geological Survey's (USGS) collection. It introduces visitors to the geology, landforms, and volcanic history of Sunset Crater National Monument, which was the scene of volcanic activity beginning in 1064 to 1065 AD and continuing for approximately 200 years. Visitors can see Sunset Cater itself, cinder and spatter cones, the ... Full description.

This virtual tour features three-dimensional images from the United States Geological Survey's (USGS) collection. These images are restored versions of famous 'stereographs' shot in the park by Frank Jay Haynes in the 1880s. They introduce visitors to the volcanic deposits and features of Yellowstone National Park, including geysers, hot springs, and deposits of tuff and rhyolite associated with massive ... Full description.