19:23

Boxcar Rocks/High Rocks/ The Chinese Wall

22:56

Wissahickon Valley Park- Philadelphia,PA

17:12

Exploring A Gravel Bar Exposed By Drought Conditions On The Susquehanna River

7:40

7 Ghost Towns in Pennsylvania I Bet You Don't Know!

40:04

Construyendo un hueco cálido y acogedor para sobrevivir, en la raíz de un abeto caído. Cueva secreta

34:24

Pleistocene Fossils discovered deep in a cave

1:03:22

Backpacking the Sierra - Kings Canyon 7 pass loop (Bishop to Italy) Long Version

25:46

Daniel Boone Homestead