Catoctin Creek Park in Middletown will host its second annual Nature Fest on Saturday.

Activities will run from 10 a.m. to 2 p.m., and include a presentation on green technologies, green vendors, wildflower plantings, nature walks, live animal presentations, crafts and face painting.

For details, call Catoctin Creek Nature Center at 301-600-5051 or go to www.recreator.com.