Filed under: Here Are More Photos Of Shake Shack's Opening Day by Amy McKeever May 18, 2011, 8:45am EDT Share this story Share this on Facebook Share this on Twitter Share All sharing options Share All sharing options for: Here Are More Photos Of Shake Shack's Opening Day Pocket Flipboard Email Grid View Giving out free custard samples to those waiting in lines. Dale Earnhardt Jr. Jr. performed a short acoustic set. Free sunglasses for all! The main dining area. Dining area as viewed from the mezzanine. The mezzanine was mostly empty, even during the lunch rush. More From Eater DC The Latest Shop for Pastry Pro Paola Velez’s Popular Sticky Buns at Nordstrom’s U.S. Cafes By Tierney Plumb and Eater Staff Voodoo Bar Brings Big Easy Energy to the U Street Corridor By Tierney Plumb D.C. Gets Four New Coffee Shops in Just One Week By Tierney Plumb NPR’s ‘All Things Considered’ Now Has Its Own Gelato Flavor By Adele Chapin Philly Favorite Buena Onda Will Blanket the D.C. Area With Fish Tacos By Tierney Plumb D.C.’s Dearly Missed Crab Dip Burger Resurfaces Across the Potomac By Tierney Plumb