Sam's No. 3 in Denver is the 1927 Greek-American diner downtown, with a kitchen that runs to midnight and slopper burgers, smothered burritos and Denver omelets.
Must order: Slopper burger smothered in green chile.
Tip: Aurora location runs late. The downtown spot fills up after Rockies and Nuggets games; expect a wait at 11 pm.
Address: 1500 Curtis St, Denver, CO 80202
Chubby's in Denver is the West Highland Mexican counter on 38th Avenue, a 1971 family shop open until 3 am for the bar-and-shift-worker burrito trade.
Try: Smothered green chile burrito
Order: Smothered chorizo burrito at 1 am.
Tip: Drive-through line runs longer than the walk-in counter on Friday nights; bring cash for the fastest service.
Highland Tap and Burger in Denver is the Highland gastropub on 32nd Avenue with a 2 am kitchen on weekends, bison burgers and 40 craft beer taps.
Try: Bison burger and beer
Order: Bison burger with green chile and a Colorado pilsner.
Tip: The basement bar takes the late-night Highland crowd; the kitchen runs until 1:45 am on weekends.
Jerusalem Restaurant in Denver is the University-area Middle Eastern kitchen since 1979, open 24 hours Friday-Saturday with halal kebabs and a hookah lounge.
Try: Falafel combo plate
Order: Falafel combo with hummus and baba ghanoush.
Tip: The hookah lounge is the room's late-night gathering point; the back garden patio opens in summer.
City O' City in Denver is the 13th Avenue vegan diner since 2008, the city's only late-night vegan kitchen with diner plates until 2 am on weekends.
Try: Vegan diner plates
Order: Vegan biscuits and gravy and a cocktail.
Tip: The bar takes the late-night crowd; the patio at midnight on summer weekends is one of the city's most active.
Voodoo Doughnut in Denver is the East Colfax 24-hour doughnut shop from the Portland original since 2017, with bacon maple bars and voodoo-doll doughnuts.
Try: Bacon maple bar and voodoo doll
Order: Bacon maple bar at 1 am.
Tip: Walk-in counter only; the line at 2 am on weekends is half the shop's traffic. Cash and card both accepted.
Snarf's Sandwiches in Denver is the Ballpark-district sandwich counter on Larimer, with toasted Italian subs, French dips and a 3 am close on weekend nights.
Try: Toasted Italian sub
Order: Italian sub with hot peppers and a giardiniera kick.
Tip: The dunk-in-au-jus French dip is the room's other most-ordered plate; cash discount on subs over $10.
