Mesa Arch, Utah. An exuberant hiker greets the dawning sun from atop Mesa Arch, Island in the Sky, Canyonlands National Park

Hiker Atop Mesa Arch, Island In The Sky

 Hiker in North Window, sunset, western face. North Window is a natural sandstone arch 90 feet wide and 48 feet high, Arches National Park, Utah

Hiker in North Window, sunset, western face. North Window is a natural sandstone arch 90 feet wide and 48 feet high. Arches National Park, Utah.

 Sunrise light on Turret Arch viewed through North Window, winter, Arches National Park, Utah

Sunrise light on Turret Arch viewed through North Window, winter.
Mobius Arch at sunrise, with Mount Whitney (the tallest peak in the continental United States), Lone Pine Peak and snow-covered Sierra Nevada Range framed within the arch. Mobius Arch is a 17-foot-wide natural rock arch in the scenic Alabama Hills Recreational Area near Lone Pine, California

Mobius Arch At Sunrise, Alabama Hills Recreational Area

 The Milky Way galaxy arches over Arch Rock on a clear evening in Joshua Tree National Park

The Milky Way galaxy arcs over Arch Rock in Joshua Tree National Park.

 Delicate Arch, dusted with snow, at sunset, with the snow-covered La Sal mountains in the distance. Delicate Arch stands 45 feet high, with a span of 33 feet, atop of bowl of slickrock sandstone, Arches National Park, Utah

Delicate Arch, dusted with snow, at sunset, with the snow-covered La Sal mountains in the distance. Delicate Arch stands 45 feet high, with a span of 33 feet, atop of bowl of slickrock sandstone.
The Milky Way galaxy arcs above Arch Rock, panoramic photograph, cylindrical projection, Joshua Tree National Park, California

The Milky Way galaxy arcs above Arch Rock in Joshua Tree National Park in this high resoluiton panoramic photograph.

 Natural arch formed in sandstone, Valley of Fire State Park

Sunrise On Sandstone Natural Arch, Valley Of Fire, Valley Of Fire State Park

 Star trails and Arch Rock. Polaris, the North Star, is at the center of the circular arc star trails as they pass above this natural stone archway in Joshua Tree National Park

Star trails and Arch Rock, Joshua Tree National Park.
Arch Rock in Joshua Tree National Park. A natural stone arch in the White Tank area of Joshua Tree N.P

Arch Rock In Joshua Tree National Park

 Natural arch formed in sandstone frames the setting moon, Valley of Fire State Park

Moonrise Over Sandstone Arch, Valley Of Fire, Valley Of Fire State Park

 Darwins Arch, a dramatic 50-foot tall natural lava arch, rises above the ocean a short distance offshore of Darwin Island

Darwin's Arch, Darwin Island, Galapagos
Wilson Arch rises high above route 191 in eastern Utah, with a span of 91 feet and a height of 46 feet

Wilson Arch, Utah

 Mesa Arch spans 90 feet and stands at the edge of a mesa precipice thousands of feet above the Colorado River gorge. For a few moments at sunrise the underside of the arch glows dramatically red and orange, Island in the Sky, Canyonlands National Park, Utah

Mesa Arch, Island In The Sky

 Landscape Arch in winter. Landscape Arch has an amazing 306-foot span, Arches National Park, Utah

Landscape Arch in winter. Landscape Arch has an amazing 306-foot span. Arches National Park, Utah.
Turret Arch at sunset, winter, Arches National Park, Utah

Turret Arch at sunset, winter, Arches National Park, Utah.

 Skyline Arch spans 90 feet, Arches National Park, Utah

Skyline Arch

 Double Arch, an amazing pair of natural arches formed in the red Entrada sandstone of Arches National Park, Arches National Park, Utah

Double Arch, an amazing pair of natural arches formed in the red Entrada sandstone of Arches National Park.
Pine Tree Arch, Arches National Park, Utah

Pine Tree Arch.

 The Milky Way galaxy above Arch Rock, Joshua Tree National Park, night star field exposure

The Milky Way galaxy echoes the shape of Arch Rock in Joshua Tree National Park in this, night-time star field exposure.

 The Milky Way galaxy above Arch Rock, Joshua Tree National Park, night star field exposure

The Milky Way Galaxy Above Arch Rock, Joshua Tree National Park
Natural arch formed in red Navaho sandstone cliffs, Zion Canyon, Zion National Park, Utah

Zion Arch, Zion National Park

 Mesa Arch spans 90 feet and stands at the edge of a mesa precipice thousands of feet above the Colorado River gorge. For a few moments at sunrise the underside of the arch glows dramatically red and orange, Island in the Sky, Canyonlands National Park, Utah

Mesa Arch, Island In The Sky