Mossy boulders and flowing water, Roaring Fork River, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6861.html Water flowing in pools in the Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5478.html Left Fork of North Creek flowing in six inch wide crack. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5466.html Middle Prong of the Little River flowing past dogwoods, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6853.html Cascade Creek flowing over rocks. Grand Teton National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.grte8758.html River flowing through the Natural Bridge. Yoho National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/yoho/picture.cabc33900.html Ohe o Stream flows into the Pacific at sunrise. Haleakala National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.hale20929.html Stream flows from verdant hills into barren valley floor. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm0086.html Stream flows from the hills into the floor of the Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm21131.html Archangel Falls in autumn, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5461.html Blooming dogwood and stream flowing over boulders, Middle Prong of the Little River, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6839.html Little River flow, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6771.html Kicking Horse River flowing through the Natural Bridge. Yoho National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/yoho/picture.cabc33899.html Hot springs water flowing over tufa terrace. Hot Springs National Park, Arkansas, USA. http://www.terragalleria.com/parks/np-image.hosp38305.html Creek flowing over granite slab, Le Conte Canyon. Kings Canyon National Park, California, USA. http://www.terragalleria.com/parks/np-image.kica39745.html Pools and Rock walls sculptured by fast flowing water, Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5479.html Gunisson River flowing beneath steep canyon walls. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20054.html Hand touching the letters Martin Luther King in flowing water. Montgomery, Alabama, USA http://www.terragalleria.com/america/alabama/montgomery/picture.usal38172.html Water flowing over boulders in the spring, Treemont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6851.html Water from hot springs flowing over tufa rock. Hot Springs National Park, Arkansas, USA. http://www.terragalleria.com/parks/np-image.hosp38306.html Water flowing over Gog quartzite in Athabasca Falls. Jasper National Park, Canadian Rockies, Alberta, Canada http://www.terragalleria.com/north-america/canada/jasper/picture.caab33762.html Dogwood branch with white blossoms and flowing stream, Treemont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6838.html Two blooming dogwoods, boulders, flowing water, Middle Prong of the Little River, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm20362.html Virgin River flowing over stones in the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8601.html Deer Creek flows into a narrow canyon. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca8493.html Water flowing over stones in Virgin River. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5423.html Boulders in flowing water, Middle Prong of the Little River, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6852.html River flow and boulders covered with moss, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6863.html River flowing through narrow rock gorge, Mistaya Canyon. Banff National Park, Canadian Rockies, Alberta, Canada http://www.terragalleria.com/north-america/canada/banff/picture.caab33703.html River flowing over boulders, Arrigetch Creek. Gates of the Arctic National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.gaar21088.html River flowing through narrow slot, Mistaya Canyon. Banff National Park, Canadian Rockies, Alberta, Canada http://www.terragalleria.com/north-america/canada/banff/picture.caab33701.html Spring Wildflowers next river flowing in forest, Greenbrier, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6822.html Hot water from springs flowing over tufa rock. Hot Springs National Park, Arkansas, USA. http://www.terragalleria.com/parks/np-image.hosp38307.html Water flowing over granite slab, Le Conte Canyon. Kings Canyon National Park, California, USA. http://www.terragalleria.com/parks/np-image.kica39744.html Alamere Falls flowing onto the beach. Point Reyes National Seashore, California, USA http://www.terragalleria.com/california/picture.usca9961.html Thermal spring water flowing over tufa terrace. Hot Springs National Park, Arkansas, USA. http://www.terragalleria.com/parks/np-image.hosp0491.html Hot water flowing over tufa terrace. Hot Springs National Park, Arkansas, USA. http://www.terragalleria.com/parks/np-image.hosp38304.html Pools and rock walls sculptured by fast flowing water, the Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5481.html Water floweing over travertine, Buckeye Hot Springs. California, USA http://www.terragalleria.com/california/picture.usca9816.html Stream flows into Turquoise Lake, midnight sunset. Lake Clark National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.lacl21188.html Dogwood with blossoms by flowing river, Treemont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6840.html Stream flowing over mossy boulders, Roaring Fork, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6860.html Flowing water, Middle Prong of the Little River, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm6845.html Six inch wide crack channeling all flow of Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5463.html Water flowing in pools in the Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5476.html Stream flows from the verdant hills into the barren floor of the Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm0124.html Stream flowing into Tarr Inlet, with Margerie Glacier in background. Glacier Bay National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.glba36879.html Water flowing in pools in Subway, Left Fork of the North Creek. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20250.html Water flowing in the Virgin River, with reflections from cliffs. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5424.html Mystery falls flowing into the Virgin River, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20248.html Margerie Glacier flowing from Mount Fairweather into Tarr Inlet. Glacier Bay National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.glba36968.html Spring scene of dogwood trees next to river flowing over boulders, Treemont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm20358.html Stream flowing into Turquoise Lake, sunset. Lake Clark National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.lacl1671.html North Creek flowing over red travertine terraces in autumn. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20256.html Virgin River flowing between rock walls of Wall Street, the Narrows. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion8609.html Water flowing in Tokkum Creek. Kootenay National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/kootenay/picture.cabc33936.html Bird, water flowing, reflections from cliffs. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion5425.html Water flowing on the wheel of mill, Cades Cove, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm2268.html Three dogwoods with blossoms, boulders, flowing water, Middle Prong of the Little River, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm20361.html Cascade Creek flows in Cascade Canyon. Grand Teton National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.grte8753.html North Creek flowing over fallen leaves, the Subway. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion20252.html Yoho River flowing from Takakkaw Falls. Yoho National Park, Canadian Rockies, British Columbia, Canada http://www.terragalleria.com/north-america/canada/yoho/picture.cabc33891.html