Adventure

Bruneau Dunes State Park Climb North America's tallest single-standing sand dune at 470 feet high; keep an eye out for falcons, owls, and elk; scan the heavens at the astronomical observatory. 27608 Sand Dunes Rd., Mountain Home, ID; +1 208 366 7919. Fee.

Hells Canyon National Recreation Area Raft one of North America's deepest river gorges, hike the Baldy Lake trail, explore placid Willow Creek, drop a line in the Snake River, camp underneath the stars, and take a look at Hells Canyon Dam. Riggins, ID; +1 541 785 3395.

Hells Gate State Park Camp along burbling Snake River, hop on a jet boat for a guided trip into Hells Canyon, grab a rod and drop your line for some bass or catfish. 5100 Hells Gate Rd., Lewiston, ID; +1 208 799 5015. Fee.

Sun Valley Take to the slopes at this world-famous mountain resort; in winter, ski one of 65 trails; in summer, mountain bike or saddle up for back-country exploration. 1 Sun Valley Rd., Sun Valley, ID; +1 208 622 2001. Fee.