#42. Bel Air
Founded in 1780, Bel Air has 25 homes and buildings from the 18th and 19th centuries, including an entire Bel Air Courthouse Historic District and Harford Furnace Historic District. The town today has amenities like Harford Mall as well as five neighborhood parks, and residents are proud of a thriving arts community with theater, art galleries, concerts and festivals. A 182-bed Upper Chesapeake Medical Center tends to the area’s health needs.