SUMMER Independence Day GEORGETOWN WATERFRONT The Washington Harbour welcomes you with river vistas, a flowing fountain and delightful dining at restaurants like Sequoia and Tony & Joe’s Seafood Place . Outdoor enthusiasts can bike or run along the C&O Canal . gondola cars. Try your luck at MGM National Harbor casino and shop ‘til you drop at the Tanger Outlets . WASHINGTON.ORG HOLIDA Y HIGHLIGHTS MEMORIAL DAY Summer’s first holiday brings the National Memorial Day Concert at the U.S. Capitol (May 24) and the National Memorial Day Parade (May 25). Pay respects at Arlington National Cemetery , where servicemen and women place flags on nearly 250,000 graves every year. NATIONAL HARBOR Soar 180 feet in the air at The Capital Wheel ; we recommend a sunset ride on one of its 42 climate-controlled 19