Austin Steam Train
Take a ride through the countryside in a historic railroad car! Departures are from Cedar Park and include stops in Burnet. They also have a shorter trip that runs to Bertram (east of Burnet). Check their website for schedule, events, and pricing.
401 E Whitestone Blvd, Cedar Park, TX
Burnet & Highland Lakes Air Museum
Static displays and an air show in the spring.
2402 S Water St (Hwy 281)
Hill Country Motorheads Motorcycle Museum
2001 W Highway 29
Lake Area Rods and Classics Car Club
This car club in Burnet occasionally has shows at area venues. You can check their website for upcoming events.