Mercury's surface in "enhanced color," a color scheme created to emphasize color differences. This is not what Mercury would look like to the human eye, but by applying mathematical analysis to images, color differences can be accentuated beyond those visible to a person.
Mount Rushmore National Memorial under construction.
The workers had to endure conditions that varied from blazing hot to bitterly cold and windy. Each day they climbed 700 stairs to the top of the mountain to punch-in on the time clock. Then 3/8 inch thick steel cables lowered them over the front of the 500-foot face of the mountain in a "bosun chair." Despite the dangers, no one was killed during the project.
Otters in Glacier Bay National Park and Preserve, Alaska.
The sea otter population of Glacier Bay has increased dramatically in the past 20 years. Ecologists consider sea otters a keystone species here. Otters consume vast quantities of clams, urchins, crabs, and other invertebrates and their presence creates ripples through the ecosystem. NPS photo.
Every day someone like you becomes a wildland wildfire fighter, a teacher, a trail-builder, a museum curator, or a park ranger. Discover your opportunities in national parks. Come to play. Come to learn. Come to serve. Develop your environmental leadership skills. Find a job. Be the next generation to preserve and protect these great places.
With more than 80% of Americans living in urban areas, urban parks are more important than ever. The father of American landscape architecture, Frederick Law Olmsted, said of urban parks:
It is one great purpose of the Park to supply to the hundreds of thousands of tired workers, who have no opportunity to spend their summers in the country, a specimen of God's handiwork that shall be to them, inexpensively, what a month or two in the White Mountains or the Adirondacks is, at great cost, to those in easier circumstances.
AMERICA'S GREAT OUTDOORS: Secretary Salazar Announces National Park Fee Free Days for 2012
USFWS, BLM, and US Forest Service will also waive entrance fees on certain days to encourage folks to get outside and get active
WASHINGTON – To encourage Americans to explore America's natural beauty, rich history and culture, Secretary of the Interior Ken Salazar today announced that the National Park Service will waive admission fees on 17 days in 2012.
“From Independence Hall to our newest national park, the Martin Luther King Jr. Memorial, our national parks tell the story of America, from the beauty of our land to our struggle for freedom and justice,” Secretary Salazar said. “Whether or not it's during one of the 17 fee free days next year, I encourage everyone to visit a park near them and enjoy the remarkable landscapes and historical and cultural sites that are unique to our great country.”
Salazar emphasized that our national parks and public lands serve as an economic engine for many local communities, supports jobs and driving tourism. Recreation in national parks, refuges, and other public lands fueled nearly $55 billion in economic activity and supported 440,000 jobs in 2009.
The fee free dates for 2012 are January 14 to 16 (Martin Luther King, Jr. weekend), April 21 to 29 (National Park Week), June 9 (Get Outdoors Day), September 29 (National Public Lands Day), and November 10 to 12 (Veterans Day weekend). More information is available at http://www.nps.gov/findapark/feefreeparks.htm.
In addition, the Bureau of Land Management, the U.S. Fish and Wildlife Service, and the U.S. Forest Service will waive their entrance and standard amenity fees January 14 to 16, June 9, September 29, and November 10 to 12. The U.S. Fish and Wildlife Service will also have a fee free day on October 14 in recognition of National Wildlife Refuge Week. The Bureau of Reclamation will waive standard amenity fees on September 29 and November 12.
Many park-related hotels, restaurants, gift shops, and tour operators will offer specials on fee free days.
“The majority of national parks don't have an entrance fee and those that do charge a maximum of $25 a week for an entire family” said National Park Service Director Jonathan B. Jarvis. “We realize there are additional expenses when visiting a park so many associated businesses will have discounts and enhancements on the fee free days.”
“One of the great things about a national park vacation is it can be as economical or luxurious as desired,” added Jarvis. “A visit can be a few hours or several days. One could pack their lunch or eat at a snack bar, cafeteria, or gourmet dining room. One could sleep under the stars in the backcountry or stay in a campground, motel, or majestic lodge. There is something for everyone at each of the country's 395 national parks. So mark the dates, grab a friend or family member – especially one that has never been to a park before – and come visit one of your national parks.”