Alamodome

160,000-sq.-ft. building provides facilities for football, concerts, and other events. It is the only domed stadium in North America with two permanent ice sheets. It's home for the annual Alamo Bowl college football game each Dec. Tours conducted every Thursday and Friday. (

Mission Nuestra Senora de la Purisma Concepcion

Established in 1731, more than 20 years under construction. Massive church with twin towers and cupola is oldest unrestored stone church in U.S., standing as completed in 1755

Lackland Air Force Base

Mission San Juan Capistrano

Like both Espada and Concepcion, established 1731

Botanical Garden

33 acres of display gardens, fountains, and natural areas (Major walkways wheelchair accessible). Included is the Lucile Halsell Conservatory, a 90,000-square-foot complex of below-ground houses that use the earth'