Since its founding on August 25, 1916, the U.S. National Park Service has assembled 419 protected units, of which 62 hold the ...

How many of you have ever photographed the highly-ornamented cave formations within Carlsbad Caverns National Park in New ...

National Park Week is coming April 19, offering visitors a chance to see some of the treasured U.S. landmarks for free.

The Interior Department is supposed to oversee 400 national parks and historic sites, uphold treaty rights with over 500 recognized Native American tribes, manage more than 500 million acres of ...

Peak season in many US national parks has begun. Families heading outdoors during spring break are arriving by the carload to enjoy hiking, admire wildlife, learn about history and nature and ...

Today, 63 designated national parks in the United States draw hundreds of millions of visitors a year to witness jaw-dropping natural wonders and unforgettable terrains. To determine the best U.S ...