You know how great your dad is, so why not show him and everyone else how much you appreciate him by taking him out to a nice dinner? Celebrate this Father’s Day, Sunday, June 19, with dad at one of Denver’s best restaurants. Buckhorn Exchange is Denver’s oldest restaurant, founded in 1893. The meals and atmosphere will make dad feel like he’s in the Wild West for the evening. Inside the saloon, you’ll find mounted deer heads on the wall and an entire museum dedicated to the West.