A Rainbow at the Lower Falls of the Yosemite Falls, Yosemite National Park, California

Geothermal Fields Hverir, Iceland

Geothermal Fields, Hverir, Iceland

Strokkur Geiser, Hverir, Iceland

Strokkur Geyser, Hverir, Iceland

Eruptions of volcanic fissures, Reykjanes Peninsula, Iceland

Eruptions of volcanic fissures, lava flows, Reykjanes Peninsula, Iceland

Eruptions of volcanic fissures, Reykjanes Peninsula, Iceland

Basalt formations from lava flows as eroded by the Jokulsa River, Iceland

Lake & stream in Asybyrgi Canyon, two miles long and formed by two massive glacial floods (10,000 and 3,000 years ago), Iceland

Section of Asybyrgi Canyon, two miles long and formed by two massive glacial floods (10,000 and 3,000 years ago), Iceland

Hljooaklettar basalt formation, remnants of ancient volcanic craters exposed about 2,500 to 3,000 years ago by Jokusla River, Vatnajokull National Park, Iceland

Panoramic view of Yosemite National Park, California, taken from Washburn Point, showing Half Dome (granite), Yosemite Valley, sections of Yosemite Falls and Sierra Nevada Mountains

Lionesses in a tree, looking at Wildebeest herd for prey, Lake Manyara National Park, Tanzania. Tree-climbing lions are rare and fount only in Uganda and Lake Manyara National Park

Wildebeest herd crossing wide part of Mara River to Tanzanian side in Northern Setrengeti during the Great Migration

Humpback whales attack pod of Orcas using large pectoral fins with sharp barnacles to strike and injure Orcas; such attacks are rarely witnessed; scientists believe the whales may attack to intervene in an ongoing Orca hunt or due to previous Orca attacks on juvenile humpbacks; Weddell Sea, Antarctica

Iceberg A57A, one of Earth's largest icebergs, which in approximately 2008 broke off an ice shelf in the Weddell Sea; image taken in 2019 when it was 12 miles long and 650 feet thick (150 of that above water), Antarctica

Iceberg A57A, one of Earth's largest icebergs, in approximately 2008 broke off an ice shelf in the Weddell Sea, taken in 2019 when it was 12 miles long and 650 feet thick (150 of that above water), Antarctica

Dramatic iceberg "sculpture" (perhaps mother nature's rendition of a ship) at night en route to Orleans Strait, Antarctica

Sun falling on Mt. Vestrahorn, southeast Iceland, with fingers of glacier reaching to North Atlantic ocean

Rough seas in North Atlantic off southern coast of Iceland

"Split Apple Rock", an unusual geological formation, in Tasman Bay, off coast of South Island of New Zealand

Boulders on Koekohe Beach on seacoast of Otago, South Island of New Zealand; Maori legend claims they are remains from the wreck of an ancient and large sailing canoe; geologists have explained they are rocks formed over millions of years beginning with "mudstone"

Upper and second sections of Gullfoss Falls on the Hvita River; the river carries water from a glacier 25 miles away and ultimately flows intto the Atlantic Ocean, Iceland

Natural colorful rock (sandstone) formation, Perra, Jordan

Layered sandstone formations with different colors due to different mineral formations and weathering, Petra, Jordan