SEE
Picture postcards
Postcards from 1905 to the present showcasing locations including Fort Collins, Lookout Mountain, Estes Park, Mesa Verde and Pikes Peak are on view in “My Colorado Vacation: Souvenir Postcards”through May 20 at the Aurora History Museum. There’s more than 130 postcards from the museum’s collection and on loan from postcard collector Doug Bowen, a member of the Denver Postcard Club. 11 a.m. to 4 p.m. Saturday and Sunday, 9 a.m. to 4 p.m. Tuesday through Friday. Free.15051 E. Alameda Parkway, Aurora, 303-739-6666,
SEARCH
Who’s your daddy’s daddy’s daddy?
The Douglas County History Research Center is celebrating the public and digital release of the U.S. Census records from 1940 in an open house from 1 to 8:30 p.m. Monday. The 1940 and later censuses are restricted from publication by statute until 72 years after the census date. This is the largest, most comprehensive and most recent record set available for the 132 million people living in the U.S. on April 1, 1940.Castle Rock Genealogical Society members will provide indexing lessons. Philip S. Miller Library, 100 S. Wilcox St., Castle Rock, 303-791-7323, ;
FLY
Plane old fun
Join Charlie Odendhal in a “From Kit to Flight — Build Your Own Plane”demonstration in which he’ll make a radio-controlled model plane from scratch starting at 6 p.m. Friday. Odendhal knows wings: He’s a former U.S. Air Force flight-accident investigator and the son of an Army Air Corps flight instructor. Various model airplanes will be on display showcasing different building styles. Free; it’s part of the First Fridays series at the Greeley History Museum.714 8th St., Greeley, 970-350-9220,
LOOK
A birds-eye view
The Audubon Society of Greater Denver hosts the indoor kickoff to its Beginning Birding Class at 7 p.m. Thursday. Participants get an introduction to bird-watching along with recommended books and binoculars; instructors are renowned local birders Hugh and Urling Kingery. After the intro class, frequent field trips visit birding hot spots including Castlewood Canyon State Park, Barr Lake, Genesee Mountain and more. Visit the website for fees and schedule. Audubon Nature Center, 11280 Waterton Road, Littleton, 303-973-9530, e-mail info@denveraudubon.org,
