Ostrich (Struthio camelus), Kgalagadi Transfrontier Park, Northern Cape, South Africa

Central Mumbai (Bombay), Maharashtra State, India, Asia

Hiker on the Tall Trees Walk dwarfed by huge trees, Mount Fields National Park, Tasmania, Australia, Pacific

Tall Trees Walk, Mount Fields National Park, Tasmania, Australia, Pacific

A swamp gum, the world's tallest flowering plants, on the 'Tall Trees Walk', Mount Field National Park, the south, Tasmania, Australia, Pacific

Hikers walk along Deer Creek Narrows in the Grand Canyon outside of Fredonia, Arizona November 2011. The 21.4-mile loop starts at the Bill Hall trailhead on the North Rim and descends 2000-feet in 2.5-miles through Coconino Sandstone to the level Esplanada then descends further into the lower canyon through a break in the 400-foot-tall Redwall to access Surprise Valley. Hikers connect Thunder River and Tapeats Creek to a route along the Colorado River and climb out Deer Creek.

A beautiful woman stopping while walking her Great Dane through the woods in a city park on a warm fall evening, Edmonton, Alberta, Canada

A beautiful mom and her two little daughers walking their Great Dane through the woods in a city park on a warm fall evening, Edmonton, Alberta, Canada

A young mom and her daughter walking their Great Dane in a park on a warm autumn evening, Edmonton, Alberta, Canada

A beautiful woman stopping while walking her Great Dane through the woods in a city park on a warm fall evening, Edmonton, Alberta, Canada

A young mom and her daughters walking their Great Dane in a park on a warm autumn evening, Edmonton, Alberta, Canada

A woman walks alone among the tall, leafless tree trunks in a forest, Arizona, United States of America

A beautiful young woman allowing her Great Dane to run and have fun in an off-leash dog park during a warm autumn evening, Edmonton, Alberta, Canada

A beautiful woman stopping while walking her Great Dane through the woods in a city park on a warm fall evening, Edmonton, Alberta, Canada

A beautiful woman stopping while walking her Great Dane through the woods in a city park on a warm fall evening, Edmonton, Alberta, Canada

A Great Dane running through the leaves in an off-leash dog park during a warm fall evening, Edmonton, Alberta, Canada

California, Big Basin State Park, Man in orange jacket hiking in the redwoods.