Nearly 20,000 creatures housed in rain forest, Australian river gorge and coral reef ecosystems. See jellies and animal feedings. 4-D Immersion Theater and Harbor Market Kitchen. Ongoing exhibitions like “Living Seashore” with two touch pools. “Blacktip Reef,” a 260,000-gallon Indo-Pacific coral reef exhibit with up-close views of sharks, stingrays and a 500-pound sea turtle. "Dolphin Discovery," all-day access to dolphins and experts, featuring training, play, feeding times and more. Daily from 9 am. $39.95, seniors $34.95, children (3-11) $24.95, under 3 free. Special tours vary. Online purchase with timed entry recommended. At the Inner Harbor.