Pennsbury Inn
883 Baltimore Pike
Chadds Ford, PA, 19317, United States
(610) 388-1435

What makes a firefly glow, or sea creatures light up the deepest depths of the ocean? This is a journey into the world of bioluminescence, a living organism's ability to produce its own light, what it is and how it differs from other forms of light. 4840 Kennett Pk., Wilmington. Mon-Sat, 9:30 to 4:30; Sun, noon to 4:30. This goes on until May 27. $7-$9. 302-658-9111; Delaware Museum of Natural History