Catch a killer wave off of CNN 's Lonely Planet 's ( or watch from a nearby cliff ) Snorkeling trips are recommended to view these social creatures . Fahrenheit through an underground sand mine in Half Dome for charity . Track Yellowstone 's gray wolves in winter season ( but take a guide )
Catch a killer wave off of CNN 's Lonely Planet 's ( or watch from a nearby cliff ) Fahrenheit through an underground sand mine in Half Dome for charity . Track Yellowstone 's gray wolves in winter season ( but take a guide )