Situated along the San Juan River, Bluff is a center for river rafting. Wild Rivers Expeditions, 101 S. Main St. (P.O. Box 118), Bluff, UT 84512 (tel. 800/422-7654 or 435/672-2244; www.riversandruins.com), offers river trips on the San Juan that are both fun and educational. Led by archaeology and geology professionals, the expeditions take boaters past dozens of Native American sites along the river, such as the spectacular Butler Wash Petroglyph Panel -- a 250-yard-long wall of petroglyphs -- plus fascinating rock formations. Trips, offered from March through October, range from a full day to more than a week, with rates starting at $165 per adult and $123 per child 12 or younger, including lunch.

Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.