Want a great family vacation this summer that will be cheaper for you to enjoy?  Try one of the 147 National Parks which are offering 3 "no entrance fee" weekends throughout summer of 2009.  The "no fee" weekends are:

• June 20 - 21
• July 18-19
• August 15-16

Waiving of the entrance fees for these three weekends include entrance fees, commercial tour fees, and transportation entrance fees. Make note that other fees, such as reservation, camping, tours, concession and fees collected by third parties are not included unless stated otherwise.

What are some of the 147 National Parks taking part in these "no fee" weekends?  They include hugely popular National Parks like:

• Yellowstone National Park
• Grand Teton National Park
• Grand Canyon National Park
• Petrified Forest National Park
• Yosemite National Park
• Dinosaur National Monument
• Everglades National Park
• Hawai‘i Volcanoes National Park
• Acadia National Park
• Cape Cod National Seashore
• Glacier National Park
• Lake Mead National Recreation Area
• Carlsbad Caverns National Park
• Saratoga National Historical Park
• Badlands National Park
• Padre Island National Seashore
• Zion National Park
• Bryce Canyon National Park
• Mount Rainier National Park

There are many more, of course.  You can get a complete list at: http://www.nps.gov/findapark/feefreeparksbystate.htm

Oh, and by the way, there are over 200 other National Parks which never charge entry fees.  You can find a listing of all National Parks by going to a National Parks Service list of national parks at list of national parks