1) Chesapeake Crab Festival
What: National Harbor hosts an all-you-can eat festival with crab, live music, activities and more. Tickets here.
Where: National Harbor
When: Saturday (two sessions)
2) Dueling Restaurant Weeks
What: D.C.'s Restaurant Week is wrapping up, while Alexandria's Restaurant Week is just getting started.
Where: Participating restaurants.
3) Gluten-free grilled cheese
What: Chef Jilly Lagasse is taking over the Big Cheese food truck at Truckeroo.
Where: Truckeroo by Nats Stadium
When: Friday beginning at 11 a.m.
4) Republic Kolache's debut
What: The Texas pastry makers kick off their weekend pop-up on Saturday.
Where: American Ice Company
917 V. St. NW
When: Saturday at 10 a.m.
5) Lambrusco Week continues
What: Neighborhood Restaurant Group salutes the sparkling red wine. The Partisan has a lambrusco menu (plus a tasting on Friday from 5-7 p.m.), while B-Side has lambrusco flights and Red Apron has a lambrusco sausage combo.
Where: The Partisan, Red Apron B-Side
When: Through Sunday.
ALSO THIS WEEKEND: Pike and Rose has a block party Sunday with a "Slider Smackdown"....Bartenders Terrence Blowe and Sophie Szych from Quill take over Suburbia Saturday and Sunday, starting at 11 a.m.