Black Canyon of the Gunnison National Park

Old Faithful, Yellowstone National Park

Grand Teton National Park

Skagway, Alaska

Arenal Volcano, Costa Rica

Queen's Bath, Kauai 

Delicate Arch, Utah

Turret Arch, Utah

Alpine, TX

Lava flowing into the ocean
Hawaii

Big Island, Hawaii

'ohi'a tree with lehua blossoms
Kileau Iki Crater, Hawaii

Grand Canyon at sunset
Grand Canyon National Park

Rock cairn, Mosaic Trail
Death Valley National Park

Berry Creek Falls
Big Basin Redwoods State Park

Emerald Bay
Lake Tahoe

Rock cairn at Sykes Hot Springs
Ventana Wilderness, Big Sur

Half Dome, Vernal Falls, and Nevada Falls
Yosemite National Park

Sunset
Yosemite National Park

Storm gathering over Half Dome
Yosemite National Park

Nevada Falls and Liberty Cap
Yosemite National Park

Half Dome, from North Dome
Yosemite National Park

Sand Cave, Utah

Zion National Park

Death Valley National Park

Bryce Canyon National Park

Bryce Canyon National Park

Bryce Canyon National Park

Lion
Serengeti National Park, Tanzania

Two-day old Vervet Monkey
Ngorongoro Conservation Area

Lioness
Ngorongoro Conservation Area

Water Lily
Dambulla, Sri Lanka

Sunset at Ha Long Bay
Vietnam

Views from Notre-Dame
Paris, France

Sacré-Couer from the Musée d'Orsay
Paris, France

Arc de Triomphe Staircase
Paris, France

Eiffel Tower
Paris, France

Pulpit

Cathedral of St. Michael and St. Gudula

Brussels, Belgium

Duomo
Florence, Italy

Campanile & Shadow of the Duomo
Florence, Italy

Campanile
Florence, Italy

Clock Tower
Sighişoara, Romania

Queen Charlotte Track
New Zealand