Food-delivery service Postmates offering free burgers on National Hamburger Day on Sunday.
Wine and Dine
• The Capital Grille, Downtown, is bringing back the Master Wine Tasting Event starting Monday and running through Sept. 5. Dinner guests will have the opportunity to sample generous pours of up to 11 fine wines selected especially for the tasting. Guests will receive tasting notes from master sommelier George Miliotes; $25 per person; www.thecapitalgrille.com, 412-338-9100.
• LeMont Restaurant, Mount Washington, is celebrating its 50th anniversary Sunday. All guests will receive a complimentary glass of champagne with the purchase of dinner. LeMont also has decided to extend its anniversary special through Sept. 5, a $50 prix fixe dinner for two people offered Sundays through Fridays; www.LeMontPittsburgh.com, 412-431-3100.
• Cross Key's Inn, Indiana Township, is now serving its summer menu. Highlights include grilled marinated shrimp with sun-dried tomato and roasted garlic chipotle aioli; cuban-style roasted pork, beans, rice and Monterey jack wrap; and seared skate wing with caramelized onions, braised fennel, roasted tomato and roasted garlic and basil pisou; www.crosskeysinnpgh.com, 412-967-1900.