First, on the left (the east side), is this collection of food and beverages -- possibly intended to start you thinking about all of the restaurants and taquerias farther south, after 10th turns into 12th:
Half a block farther, at 26th: the sun, the moon, and a star — by Carlos Valenzuela:
The Tucson Electric Power substation at 27th has a full block of wraparound mural. Here's some of the show -- including three pirate ships whose captain, I think, was named Columbus:
Galloping horses at 27th, and floating lots-of-things at 28th:
There's more! But I'll leave that for you to discover... and wrap this up with a way to (partly) wrap a mobile home in a mural -- including a saguaro, and many saguaro blossoms -- at the corner of 10th and 36th:
Update (October 1, 2014): A July 23, 1994 article in the Tucson Citizen, Cultural Art, covers murals along this section of 10th Avenue and has quite a bit of information about Antonio Pazos' mural at the Tucson Electric Substation on 27th Street.
Update (September 7, 2015): Much more detailed photos of the power station murals at 10th Ave. and 27th St. are in today's entry, 10th at 27th revisited.
Update (January 7, 2016): Mark Fleming sent more-detailed photos of the mural with running horses.