Am again looking into some possible trips, with this one being Santa Fe/Taos/Albuquerque in New Mexico. Have done a good bit of research, and would like some thoughts on the itinerary below. Please note that I will not have a car and don't intend to rent one. All look to be reachable via public transportation or plenty of walking in the various towns/cities visited. I have also explored ways to get between the three cities/towns using public transport (buses, trains) and have found what seem to be workable solutions. Please note that I'm not concerned about the heat as I seem to handle it well and plan to drink lots of water along the way. I also very much like long sightseeing days.

Santa Fe

Two days (not sure of the ordering yet)
Downtown: Georgia O’Keeffe Museum, Institute of American Indian Arts Museum, New Mexico Museum of Art, Loretto Chapel, Mission of San Miguel, Palace of the Governors, St. Francis Cathedral, Santuario de Nuestra Señora de Guadalupe, State Capitol Building, plus a self-guided historic walk around the area

Another day
Wheelwright Museum of the American Indian, Museum of International Folk Art, Museum of Indian Arts and Culture, Museum of Spanish Colonial Art

Yet another day
Indian Arts Research Center, Cristo Rey, self-guided walk of Barrio de Analco and Canyon Road area

One more possible day, depending
Tour of a few areas north of Santa Fe, possibly including Bandelier National Monument, and a pueblo or two (Great Southwest Adventures and Pathways Customized Tours might work IF it can be afforded and it’s guaranteed to go – but not so guaranteed or cheap, as far as I can tell)

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Taos

One day
Taos Art Museum, Kit Carson Home and Museum, Kit Carson Park and Cemetery, Harwood Museum, walk around Plaza area

Another day
Trolley tour (includes Martinez Hacienda, Millicent Rogers Museum, San Francisco de Asis Church), Governor Bent House Museum, Ernest L. Blumenshein Home and Museum

Yet another day
Taos Pueblo (either tour or Chile Line Bus)

Please note that I have already seen the Rio Grande Gorge Bridge.

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Albuquerque

One day
Albuquerque Museum of Art and History, Albuquerque International Rattlesnake Museum, New Mexico Museum of Natural History and Science, Turquoise Museum

Another day
Indian Pueblo Cultural Center, Maxwell Museum of Anthropology, Jonson Gallery, University of New Mexico Art Museum

The Balloon Museum and National Atomic Museum appear to be hard-to-impossible to reach via public transportation or I’d have considered them.

Many thanks for any constructive feedback offered.