Yellowstone Volcanic Features - Photos

Yellowstone Plateau

columnar jointed rhyolite - western caldera rim area

Grand Canyon of the Yellowstone, Lower Falls in distance

Lower Yellowstone Falls

Hydrothermally altered silicic volcanics, Grand Canyon of the Yellowstone

erupting geyser with caldera rim in distance

Old Faithful geyser erupting

distant geysers

bison and distant geysers

geyser eruption

geyser close-up

information board at Yellowstone

thermal pool near Yellowstone lakeshore

Hot springs along Yellowstone lakeshore

Information Board along Yellowstone lakeshore

thermal springs near Yellowstone Lake

hot springs along Yellowstone lake shore

Hot Spring

Huge hot spring

Hot spring thermophilic life

Hot springs

thermal pool

Grand Prismatic Spring Information Board

Mammoth Hot Springs travertine terraces

sinter mound

another hissing thermal spring