Get lost in the 28 miles of the Venetian canal system and find out what makes this city tick.
The dawn activities of wildlife in northern Vancouver.
The Svalbard group of islands in the Arctic Ocean about midway between Norway and the North Pole.
The Arches National Park in Utah.
The Ritsurin Garden in Takamatsu City.
Light sparkles off ice crystals at sunrise on South Island.
Sunrise over Huahine includes a rainbow.
Haleakala volcano, though large, is one of the quietest places on earth.
The sun jumps directly into the sky at the Tropic of Capricorn.
Seven miles off the Irish coast stands a pair of imposing rocks known as Little Skellig and Skellig Michael, where early morning light silhouettes stone huts called "beehives" built by monks.
Polar bears begin their day.
Total solar eclipse.
Penguins greet dawn on the coast of Patagonia.
Birds greet the day.
Light breaks over Machu Picchu.
Morning in the dense forest of a Peruvian rainforest.
Elephant seals welcome the new day.
The morning sun shines on Geysir, Iceland.
Daybreak on Turkey's coastline.
Dawn breaks over Stonehenge.
Morning activities in a Turkish farming village.
Waterfall at dawn.
Morning activities on the banks of the Li River.
Daybreak in Siem Reap, Cambodia.
Morning activities of the Zhuang.
Fishermen watch the sun rise.
Dawn breaks over the sacred temples of Angkor.
Hummingbirds welcome the morning in Costa Rica.
A full moon dips as the sun rises over a beach in Guanacaste, Costa Rica.
Sunrise over La Paz waterfall.
Sunrise off the coast of Costa Rica.
Sunrise at the Lost World Pyramid in Tikal, Guatemala.
Glaciers in Kenai Fjords National Park, Alaska.
Sunrise on Ninagiak Island in Katmai National Park, Alaska.
Red-necked grebes tend their nests in Beluga Lake in Homer, Alaska.
Alaska's Augustine volcano.
Brown bears greet the sun in Katmai National Park in Alaska.
Sunrises in the American West, including the Great Plains, the Rocky Mountains and the beaches of California.
East Coast sunrises ranging from Maine's Cadillac Mountain to the Gulf of Mexico.
Witness sunrise from Cadillac Mountain in Maine's Acadia National Park, the highest vantage point along the North Atlantic seaboard.
Manatees swim the clear waters of Homosassa Spring, Fla., as the sun rises over the Gulf Coast.
Two animal communities pass each other during the crossroads of dawn as nocturnal beavers settle down while pond creatures start their day.
The sun rises over tai chi practitioners overlooking San Francisco Bay.
Heavy storm clouds break to reveal shafts of sunlight over cows grazing in a pasture in Woodstock, Vt.
A fierce storm sends crashing waves onto a beach in Cape Cod, Mass.
Elk bask in the early morning sun on the shores of Tomales Bay in California's Tule Elk Preserve.
Catching a glimpse of dawn under the surface of a wide river flowing beneath a savannah-like prairie in Everglades National Park.
Horses graze in the early morning fog of the Snake River and the Rocky Mountains at the Triangle X Ranch in Moose, Wyo.
Lobstermen begin their day overlooking a peaceful ocean in New Harbor, Maine.
Elephant seals crawl up the beach at California's Point Reyes National Seashore to soak up the first drops of daylight.
The early morning light is filtered through giant sequoias encircling a meadow in the Sierra Mountains.
White water roars and mist erupts as the sun's first rays hit the West Branch of Maine's Penobscot River.
Yosemite's dramatic waterfalls, rounded domes and massive monoliths provide a perfect backdrop for the dawning of a new day.
Watching the sun rise over the ocean from a sea cave full of young anemones, coralline algae and common periwinkles.
Cave full of young anemones, coralline algae and common periwinkles.
As the sun surfaces, alewives make the dangerous trek from the freshwater lakes of New England to the cold Atlantic Ocean.
A colorful parade of hot air balloons appears from the shadows of the Quechee Valley in Vermont's Green Mountains.
More than 17,000 terns begin their daily routine on an island located off the southern elbow of Cape Cod, Mass.
Slumbering bison awaken and graze toward the head of Lamar Valley in Yellowstone National Park.
Alligators, egrets, wood storks and ravens enjoy the first rays of sunshine from a gator hole in the Everglades National Park.
The geysers of Yellowstone National Park welcome the sunrise with steam and shooting water.
A mother moose grazes beneath the surface of a pond while her calf watches from the shore.