Photo: outdoorbound.com
The jagged horizon sets the Grand Tetons apart from the rest of the Rocky Mountains. Around forty miles long and ten miles wide, this specific range of the Rockies is also the youngest. Thanks to the Grand Teton National Park and National Forest, the area is protected and the mountain biking is amazing.

Photo: USAToday.com
Escape Adventures offers a six-day package ($1,390) that tackles the prairies of Antelope Flats and the Monument Ridge trail that surround the Jackson Hole region. The route also parallels tributaries of the Snake River, where you ll spend a morning rafting before heading to the Flagstaff and Blackrock areas to complete the trek.

They re offering two trips in July 2010, so check out more details and book directly at EscapeAdventures.com.