Crack into all-you-can-eat jumbo hard shells, steaming hot and smothered in Old Bay. A tradition since 1945, the annual feast serves crabs plus fresh corn on the cob, barbequed pork and crab soup to thousands of crustacean lovers. Benefits local charities, non-profit organizations and the Annapolis Rotary Foundation’s philanthropic projects. 5-8pm at Navy Marine Corps Stadium, off Rowe Blvd., Annapolis. $75 w/advance discounts: 877-333-9667; www.annapolistickets.com.