Do This Now: Archaeology festival, archery for the family

Cedar Lake Farm, Regional Park, 5-7 p.m. Friday

• Learn the basics of shooting safely and accurately with skilled instructors. Test your skills in fun games. Cost is $10. Call 763-559-6700 and reference activity #447745-00 to reserve a spot. The program is for ages 8 and older.

Cleary Lake Regional Park, Prior Lake, 1-3 p.m. Saturday

• Call 763-559-6700 and reference activity #444545-01 to reserve a spot.

St. Croix State Park, 1-2 p.m. Friday

Whitewater State Park,10 a.m.-4 p.m. Saturday

Celebrate the history of the Whitewater Valley through demonstrations, hands-on activities and special guest presenters. Try your hand at archery or learn to throw an atlatl. How about fishing with a cane pole? Observe traditional fire-starting and flint-knapping techniques. Tour the former camp of the Civilian Conservation Corps and the German prisoners of war who stayed here. Visit the historic Marnach House, a marker of pioneer times, or take a selfie with Smokey Bear at the Elba Fire Tower. Pick up a schedule of the day's activities at the park office. (1-507-932-3007, mndnr.gov)

Communities along the Paul Bunyan State Trail welcome hikers, bikers and in-line skaters of all ages with food, music and other entertainment during a daylong group effort to travel the entire 115-mile length of the trail. Gather your friends and family to join one of the organized rides (departing at 10 a.m. from Lake Bemidji and Crow Wing state parks), or find your favorite spot on the trail. Complete schedule posted online. (1-218-308-2300, mndnr.gov)

Interstate State Park,3-4 p.m. Saturday

Ever wondered what it takes to survive out in the wilderness? Join a naturalist to learn one of the many skills used by those who live off the land. Discover which natural items can be harvested for cord, learn what natural cord can be used for and then make your own cord to take home. Meet behind the visitor center. (651-465-5711)

Fort Snelling State Park,1-2 p.m. Sunday