| 07/28/2009 - 3:00am | By the Numbers: Death Valley Weather | 1310 |
| 07/26/2009 - 12:55pm | Electrified Bearproofing Device Nearly Kills Little Girl at Delaware Water Gap | 982 |
| 07/26/2009 - 3:30am | “Uncle Bob,” Said Brian, “I Would Really, Really Like to See Fort Sumter” | 789 |
| 07/25/2009 - 11:55am | Speleologists from All Over the World Tour and Study National Park Caves | 732 |
| 07/24/2009 - 11:45am | Ancient Mammal Footprints Excite Paleontologists at Dinosaur National Monument | 1031 |
| 07/24/2009 - 3:00am | To Make “Glory,” Hollywood Moved the Atlantic Ocean | 701 |
| 07/22/2009 - 3:00am | National Park System Quiz 64: Statues | 562 |
| 07/21/2009 - 3:01am | No Fishing with Hand Grenades in Afghanistan’s New National Park | 600 |
| 07/20/2009 - 3:00am | At Point Reyes, an Annual Festival Highlights Native American Crafts and Skills | 474 |
| 07/20/2009 - 2:01am | Eradicating Everglades Pythons Will be a Formidable Task | 1703 |
| 07/18/2009 - 3:00am | Cardboard Boats Sail and Sink for the Last Time at Gateway | 1288 |
| 07/17/2009 - 3:00am | Survey Results Label the French as the World’s Worst Tourists | 701 |
| 07/15/2009 - 3:00am | Mystery Spot Revealed: Bob Hope and Bing Crosby Were Here Too | 690 |
| 07/15/2009 - 3:00am | National Park System Quiz 63: Pools | 641 |
| 07/14/2009 - 3:00am | National Park Mystery Spot: Joe DiMaggio and Babe Ruth Used It | 951 |
| 07/13/2009 - 4:00am | Of Death Marches, Rain, and Misdirected Envy in Death Valley National Park | 1025 |
| 07/12/2009 - 7:36am | Wolverine Photographed in Rocky Mountain National Park | 2480 |
| 07/11/2009 - 4:00am | Update: Sylvatic Plague and Tularemia Afflict Prairie Dogs in Badlands National Park | 1112 |
| 07/08/2009 - 3:00am | National Park System Quiz 62: Paired Parks | 769 |
| 07/07/2009 - 2:00am | Cinema Series Stars Movies Made in Zion National Park | 1063 |
| 07/05/2009 - 8:31am | Update: Presidio Main Post Won’t Be CAMP site | 571 |
| 07/03/2009 - 1:56pm | Who’ll be the First to Need Lady Liberty’s RAT? | 730 |
| 07/02/2009 - 11:53am | Does the Federal Government Really Want to Seize Six California State Parks? | 1390 |
| 07/02/2009 - 3:00am | Glorieta Pass Civil War Battlefield Finally Gets an Interpretive Trail | 770 |
| 07/01/2009 - 3:00am | National Park System Quiz 61: Heat | 762 |
| 06/30/2009 - 6:47am | Mystery Plant Revealed: It’s Lupine, It’s Complicated, and the Quizmeister has been Blindsided | 828 |
| 06/29/2009 - 3:00am | Mystery Plant: It’s Toxic, and Livestock Producers Hate It | 1160 |
| 06/28/2009 - 3:00am | Zuni-Cibola National Historical Park, the Park that Died A-Borning | 635 |
| 06/27/2009 - 3:01am | Hot Springs Hoopla Goads Government | 746 |
| 06/26/2009 - 6:51am | By the Numbers: Lake Mead Quagga Mussels | 572 |
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