The Brumfield Group, Inc.

It gets a little batty at Duber Cave State Park, where its most prominent natural cave used to lend its big roomy mouth to local square dances, radio shows and big band instrumental concerts; the cave is now temporarily sold out due to a thriving bat community. Bats aside, there's plenty of outdoor recreation like fishing, hiking and picnicking to enjoy, making a trip to this bat cave well worth the drive.

You can explore space from right here on Earth at the Vanderbilt Dyer Observatory, with the mega telescope that sits atop Nashville's tallest peak. Families can look through the telescope to observe cumulus clouds, a galaxy of stars, the swirling rings of Saturn and other outer space attractions.