The Columbia Room is located in the back of the Passenger located at 1021 7th St. NW. Thanks to a reader for sending. GQ lists them as number 18:
“Derek Brown honed his craft in Japan, home of the world’s most precise bartenders. Using a cleaver, he breaks down large chunks of ice and stores the cubes in a basket, where they melt as slowly as glaciers. Ask him nicely and he might carve one into a diamond. The private, narrow space is open just three nights a week. Your reward for getting in: the best martini in America. The process entails gin stored in a medical freezer, a crystal glass, and a thermometer (thirty-one degrees is optimal). It’s an expensive privilege to drink here. But just like in Tokyo, the receipt is prettier than a college diploma.”
The best martini in America? Nice. Congrats.