San Antonio, Texas

Lackland Air Force Base

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

Natural Bridge Caverns

One of the world's premier caverns, take 75-minute tour through a half-mile of the largest show cavern in Texas. For the more daring spelunker, the Adventure Tour offers a physically demanding excursion into an undeveloped cavern (reservations are required for the Adventure Tour)

San Antonio Zoo

More than 3,500 animals of 750 different species found in one of the premier zoos in North America. This AZA (American Zoo and Aquarium Association) accredited zoo, established in 1914