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There you can get really close to Sunset Crater, a cinder cone about 1000 feet tall (305 meters), and Lenox Crater, a smaller and older cinder cone that is about 300 feet tall (91 meters). A hiking trail will take you part way up Sunset Crater, but hiking to the top is not ...
Hiking the trails provides a great view of the mighty saguaros, the largest cacti in the country, growing up to 50 feet tall. Saguaro National Park is divided into two districts, separated by the city of Tucson, but both spots have trails with varying degrees of difficulty and are open ye...
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Hiking the trails provides a great view of the mighty saguaros, the largest cacti in the country, growing up to 50 feet tall. Saguaro National Park is divided into two districts, separated by the city of Tucson, but both spots have trails with varying degrees of difficulty and are open ye...
Fuego, Mount Rainier and Mount St. Helens are stratovolcanoes, which emit miles-high clouds of white-hot debris and pour out high-speed flows of ash and lava. In contrast, Kilauea is a shield volcano, which typically produces slow-moving lava. When Mount St. Helens erupted in 1980, it ...
What is a haboob? John D Sirlin // Shutterstock What is a haboob? Huge walls of dust are sometimes called a haboob which means “blown” in Arabic. They form when high winds push out of falling thunderstorms. A haboob can reach 1,500 to 3,000 feet tall and 100 miles wide. Why doe...
A tripod is essential for aurora photography. A tall tripod will be more comfortable as you aim the camera toward the sky. Squatting under a short tripod while cranking your neck can quickly become uncomfortable. (NOTE: A good ballhead and tripod are essential. On photo tours, I see many...
At six miles wide and 400 feet tall, the Hubbard Glacier is the biggest glacier visited by cruise ships. Ships can normally get to around half a mile away – though we had perfect conditions so got a bit closer. The glacier is fast moving (comparatively) so you can often see it calving...
Located in California's Sequoia National Park, the General Sherman tree is the world's largest tree at 275 feet tall. The base of the tree is over 36 feet in diameter. Sandstone Cliffs in Zion National Park, Utah Ewing Galloway // New York Public Library ...