This cigar shop is great. They have a very large selection of premium cigars. The staff is very knowlegable about cigars too. The shop is located in the Shady Grove Center, which is just east of the Shady Grove exit off of Route 270. The store is open Monday through Friday from 10am to 9pm, Saturday from 10am to 9pm, and Sunday from 11am to 6pm. The store has a few other locations, including Olney 301-260-0788, Frederick 301-622-6606, and Potomac 301-983-6646. The store also has a website: davidus.com.