First time cruising the Sierra Nevadas? No problem, National Geographic has a free app for that. Nerd out on the area with this free app that will show you the rich history of the area and where to eat, and some hidden gems. 

Description: The Sierra Nevada Mobile App helps you discover more than 1,500 world-class adventures, events, restaurants, shops, historic sites and lodging recommended by the people who know the area best: local residents. Information is stored on your phone, so even when your adventures take you outside of cell range, you'll have local Sierra knowledge in your pocket.

Key features include:

SHOW ME: Check and Uncheck the types of information you want to view.
NEAR ME: See places and how far they are from your current location.
MAP VIEW: See your location in the region and what is around you.

The App covers Sierra Nevada local culture from the Oregon border to south of Sequoia and Kings Canyon National Parks, with content updated continually by thousands of residents.