The long weekend means an extra day for adventures. These summery excursions are within a two-hour drive of DC, and all of them involve getting in or on the water. Set Sail and Crack Crabs Annapolis, Maryland Celebrate crabs in Annapolis this summer. Photograph by Scott Suchman. Finish off your summ er bucket list with a day of sailing and crabs in nautical Annapolis. Climb aboard a two-hour cruise on the Woodwind or Woodwind II, 74-foot schooners that glide through the bay. Then head to longtime favorite Cantler’s Riverside Inn for steamers on a dock overlooking Mills Creek. Read the full itinerary. Find Fossils at the Beach Calvert County, Maryland Search for fossils at Calvert Cliffs State Park. Photograph by Flickr user David Heise. Channel your inner paleontologist at two sandy shores: Calvert Cliffs State Park and Flag Ponds Nature Park. Both are a destination for Miocene-era finds, from shark teeth to cool shells. Once you’ve worked up a sweat, take a dip in the water for an easy cooldown. Read the full itinerary. Go River Tubing Harpers Ferry, West Virginia Tubing in Harpers Ferry. Photograph by Flickr user m01229. Looking for a lazy river experience on an actual river? Head to Harpers Ferry, where outdoor adventure groups River Riders and River and Trail Outfitter offer opportunities for a leisurely float on the Shenandoah River. You can even get a floating cooler for refreshments. Read the full itinerary. Take your Dog for a Swim Stevensville, Maryland A dog enjoys a day at the beach. Photograph by Flickr user Putneypics. You’ll have to cross the Bay Bridge to get to Matapeake Clubhouse and Beach, but it’s worth it for the stretch of dedicated dog beach. Pets can frolic in and out of the water without a leash, playing fetch and rolling in the sand with new furry friends. Read the full itinerary. Enjoy a Picnic on the Water Washington, DC Rent a Duffy boat at the Wharf. Photo courtesy of Sea Suite Cruises. The Wharf’s waterfront location makes it a natural destination for boat rentals. If you want to drive an electric boat—no special license required—Sea Suite Cruises has two options. For a mod vibe, a fleet of vintage vessels with up-to-date motors accommodate up to four passengers. Meanwhile, the larger Duffy boats fit up to 10 people and have a shady cover. Read the full itinerary. Kayak Through Spooky Shipwrecks Nanjemoy, Maryland Photograph by Flickr user Ron Cogswell. Paddle around 200 World War I-era shipwrecks known as the Ghost Fleet in Mallows Bay. There are no paddle rentals by the water, so you’ll either need to bring your own equipment or sign up for a tour with Atlantic Kayak. Guides provide some additional context on the spooky site as well as the birds that are drawn to the rusted wreckage. Read the full itinerary. Related 7 Whimsical and Weird Day Trip Ideas Near DC The post 6 End-of-Summer Day Trips a Drive Away From DC first appeared on Washingtonian. ...read more read less