Many long time Tucsonan’s have not heard of the Turquoise Trail in downtown Tucson where you can explore Tucson’s historical landmarks on a self-guided walking tour. The 2.5-mile trail takes you to 23 sites, including Hotel Congress, Armory Park, the Pima County Courthouse, and Fox Tucson Theatre. A turquoise-colored line keeps you on track, while plaques along the way provide historical information.

This Turquoise Trail (formerly called the Presidio Trail) is a 2.5 mile self guided walking trail through downtown Tucson highlighting structures and sites of historic interest including Hotel Congress, Armory Park, the Pima County Courthouse, and Fox Tucson Theatre.Marked by a turquoise stripe on the sidewalk, it begins at the site of the Presidio San Agustin del Tucson, founded in 1775. This presidio or fort was the first European structure in urban Tucson , constructed by the Spanish to mark the northern frontier of the Spanish empire in the Americas. The trail was created by the Tucson Presidio Trust for Historic Preservation. You can pick up walking tour brochures at the Presidio, 196 N. Court, downtown or download it from the Presidio Website here.
Southern Arizona Guide also gives History tours of downtown Tucson.