Shop ’til you drop at this marathon of Christmas cheer and commerce. Stores stay open until the witching hour on the first of Downtown Annapolis’ three nights of sales, discounts and holiday festivities along Main St., Maryland Ave., West Street, and City Dock. Take the free circulator bus. Also Dec. 9 & 16. 4pm-midnight, downtown Annapolis: downtownannapolispartnership.org.