Even as luxury hotels go, The Adolphus is a cut above the rest and has been for 106 years. Steeped in Dallas history, the oldest operating hotel in Dallas is a one-stop shop for discerning travelers and staycationers alike. The dining experience at the French Room is mandatory; non-guests can sneak up to the seventh-floor pool deck and enjoy Friday pool parties during summer through Labor Day. A recent massive renovation reduced the 422 rooms to 407, and they're painstakingly gorgeous.