The Rex Hotel on Nguyen Hue Boulevard is one of the most historically resonant buildings in Ho Chi Minh City. During the American War, it was the billet for senior US military officers and the site of the daily military press briefings that journalists nicknamed "the Five O'Clock Follies" for their relentless optimism.
The rooftop garden bar is still operating and is one of the classic Saigon experiences — a cold beer under the fairy lights, with views down Nguyen Hue Boulevard toward City Hall. It is expensive by Vietnamese standards but the history and atmosphere justify the price. The lobby and public areas of the hotel are worth wandering through even if you don't stay.