Sunset glowing on the volcano - Arenal Volcano
Blue Crevasse - Exit Glacier, Alaska
Castle Geyser is a cone-type geyser and has the largest cone in Yellowstone - it can erupt upwards of 60-90 feet - Upper Geyser Basin
Perfect View - Giant's Causeway, Northern Ireland
Lava flowing into the Ocean - Hawaii
Lone Star Geyser - Yellowstone National Park, Wyoming
Aurora - Dillon State Park, Ohio
Coleman Glacier - Heliotrope Ridge, Washington
Mighty Arenal - Arenal Volcano
Grotto Geyser - Yellowstone National Park, Wyoming
Exit Glacier - Kenai Fjords National Park, Alaska
La Soufrière Sulphur Springs - St Lucia
Fiery Glow - Hawaii
Grand Prismatic Spring - Yellowstone National Park, Wyoming
Matanuska Blue Sky, Alaska
Tower and trees - Tower Trail. Devils Tower, Wyoming
Travertine Hot Springs - Toiyabe National Forest, California
Meares Glacier - Alaska
Colorful yet barren landscape - Sulphur Banks Trail, Hawaii
Chromatic Spring - Upper Geyser Basin - Yellowstone National Park, Wyoming
Iceberg - Alaska
Geyser Colors - Yellowstone National Park, Wyoming
Devil's Postpile NM - California
Matanuska Glacier, Alaska
Lone Star in full glory - Yellowstone National Park, Wyoming
Glass Mountain Obsidian - California
Artist Paint Pots - Yellowstone National Park, Wyoming
Sugar Tyme Crabapple after an ice storm - Ohio
Orange Mound - Yellowstone National Park, Wyoming
Fiery boulders - Arenal Volcano
Lava Tongue - Hawaii
Minerva Terrace - Yellowstone National Park, Wyoming
Northern Lights - Ohio
Canary Spring - Yellowstone National Park, Wyoming
View from our balcony - Arenal Volcano
Matanuska Meltwater - Alaska
Great Stookan - Giant's Causeway, Northern Ireland
Old Faithful - Yellowstone National Park, Wyoming
Pink Aurora - Ohio
Grand Prismatic from Boardwalk - Yellowstone National Park, Wyoming
Prowess of Madame Pele - Hawaii
Fog over Coleman Glacier - Heliotrope Ridge, Washington
Sunset Crater - Arizona
Time exposure and cloud cap - Arenal Volcano
Morning Glory Pool - Yellowstone National Park, Wyoming
Halema'uma'u Crater - Hawaii
Hot Creek Geological Site - California
Coleman Glacier Seracs - Heliotrope Ridge, Washington
View of The Organ Pipes Formation - Giant's Causeway, Northern Ireland
Arenal and flowing river - Arenal Volcano
Devils Tower Sunset - Wyoming