Climb aboard and inspect a variety of aircraft at Open Cockpit Day on Saturday at the Aerospace Museum of California.

Inside the museum, see the 40 exhibits in the interactive Leonardo da Vinci “Machines in Motion” traveling exhibit and a special display of World War II military flight gear.

To sweeten the deal, admission is $5 off through April 15. Regular admission is $12-$15; free for children 5 and younger and for active military.