Celebrate the National Park Service’s 99^th Birthday with Free Entry to All National Parks on Tuesday August 25^th.

President Woodrow Wilson signed the Organic Act on August 25, 1916.This act created the National Park Service.The National Park Service was a federal bureau within the Department of the Interior that would be responsible for protecting the 35 national parks and monuments currently established and those yet to be established.To date there are now 408 national parks!

This year marks the 99^th anniversary of the Organic Act and birthday of the National Park Service.To celebrate the occasion, fees will be waived on August 25^th at all national parks.

To celebrate the upcoming centennial of the National Park Service, in 2016, the National Park Foundation launched their Find Your Park campaign to encourage everyone to get up, get out there and #FindYourPark - no matter your interest.

There are many ways to celebrate the 99^th birthday of the National Park Service.If you can only think of a few, the National Park Service has created a list of 99 ways to celebrate the occasion.

Get out on Tuesday August 25^th and enjoy a national park near you! To add our own #100, you can celebrate the 99th birthday of the National Park Service by planting a tree!

99 Ways to Find Your Park

1. Go climbing

2. Write poetry

3. Be an urban hiker

4. Visit a National Heritage Area

5. Dance

6. Learn about climate change

7. Discover a culture new to you

8. Experience silence

9. Walk through a doorway of a historic house

10. Find inspiration in the story of a civil rights leader

11. Go on a ranger-led tour #rangerspointingatthings

12. Hug a tree

13. Make a memory

14. Earn a Jr. Ranger badge

15. Relax on the banks of a scenic river

16. Celebrate innovation

17. Find life in a desert

18. Get inspired by a First Lady

19. Stand on a mountain top

20. Bring a kid to a park

21. Paddle a water trail

22. Take a photo that matches a historic one #retrogram

23. Try something new

24. Channel your inner Bill Nye—become a citizen scientist

25. Walk a historic main street

26. Find your park in Spanish #encuentratuparque

27. Explore a cave

28. Go green

29. Brush up your national park trivia skills

30. Scout a park, boys and girls!

31. Make art in a park

32. Celebrate Native American heritage

33. Come sail away

34. Take a picnic and dine al fresco

35. Be bear aware

36. Hit the road

37. Enlighten yourself at a historic lighthouse

38. Go biking

39. Explore Asian American and Pacific Islander culture in America

40. Feel the sand between your toes

41. Shareyour story

42. Learn about endangered species

43. Join us

44. Follow NPS on social media

45. Follow the footsteps of a woman who made history

46. Get in the know about H2O

47. Bee pollinator friendly

48. Get VIP status

49. Catch a wave

50. Immerse yourself in a living history program

51. Hit record

52. Get prehistoric

53. Improve your health—get a park Rx

54. Use your free active military pass

55. Get reel—Visit a park featured in your favorite movie

56. Join a trail clean-up

57. See the sea

58. Discover a traditional tribal cultural practice

59. Let Elmo and Murray be your guides

60. Mail a postcard

61. Discover history around you

62. Make new friends

63. Raft down a river

64. Pay your respects at a national cemetery

65. Pick a POTUS

66. Take a mini-cruise

67. Plan ahead and prepare

68. Walk nature's treadmill

69. Pose for a family photo in a park

70. Recognize women who made history

71. Reflect on our most difficult stories

72. Stamp your park passport

73. Ride on a historic carousel

74. Run

75. See history from a different perspective

76. Renew your spirit

77. See how NPS helps transform your community

78. Go fish

79. See the starry, starry night

80. Make a splash

81. Share a #tbt park photo

82. Discover the beauty of our nation'sother public lands

83. Sleep outside

84. Spread the love—thank a park volunteer

85. Plan the best field trip ever

86. Visit our international sisters

87. Trash Your Trash

88. Find a monument and decode history

89. Travel the Underground Railroad

90. Use the buddy system!

91. Visit for free on our 99th birthday

92. Wander an American battlefield

93. Watch wildlife

94. Take a deep breath

95. Go wild: Experience wilderness

96. Use a national park lesson plan

97. Play

98. Take a sunrise selfie

99. Get ready to celebrate with us in 2016!