Eureka Dunes. The Eureka Valley Sand Dunes are California's tallest sand dunes, and one of the tallest in the United States. Rising 680' above the floor of the Eureka Valley, the Eureka sand dunes are home to several endangered species, as well as "singing sand" that makes strange sounds when it shifts. Located in the remote northern portion of Death Valley National Park, the Eureka Dunes see very few visitors.
Location: Eureka Dunes, Death Valley National Park, California
Image ID: 25250
Delicate Arch and the Moon at Sunset. The moon and clouds, with stars showing faintly in the sky, as sunset fades into night.
Location: Arches National Park, Utah
Image ID: 27859
Sky Rock at night, light by moonlight with stars in the clear night sky above. Sky Rock petroglyphs near Bishop, California. Hidden atop an enormous boulder in the Volcanic Tablelands lies Sky Rock, a set of petroglyphs that face the sky. These superb examples of native American petroglyph artwork are thought to be Paiute in origin, but little is known about them.
Image ID: 28505
The Wave at Night, under a clear night sky full of stars. The Wave, an area of fantastic eroded sandstone featuring beautiful swirls, wild colors, countless striations, and bizarre shapes set amidst the dramatic surrounding North Coyote Buttes of Arizona and Utah. The sandstone formations of the North Coyote Buttes, including the Wave, date from the Jurassic period. Managed by the Bureau of Land Management, the Wave is located in the Paria Canyon-Vermilion Cliffs Wilderness and is accessible on foot by permit only.
Location: North Coyote Buttes, Paria Canyon-Vermilion Cliffs Wilderness, Arizona
Image ID: 28621
Kelp fronds and pneumatocysts. Pneumatocysts, gas-filled bladders, float the kelp off the ocean bottom toward the surface and sunlight, where the leaf-like blades and stipes of the kelp plant grow fastest. Catalina Island, California.
Species: Giant kelp, Macrocystis pyrifera
Location: Catalina Island, California
Image ID: 37282
La Tour Eiffel. The Eiffel Tower is an iron lattice tower located on the Champ de Mars in Paris, named after the engineer Gustave Eiffel, who designed the tower in 1889 as the entrance arch to the 1889 World's Fair. The Eiffel tower is the tallest structure in Paris and the most-visited paid monument in the world.
Location: Tour Eiffel, Paris, France
Image ID: 35603
Garibaldi maintains a patch of algae (just in front of the fish) to entice a female to lay a clutch of eggs.
Image ID: 37144