
Natural Bridge Caverns
Located just North of San Antonio Texas is one of the world's premier caverns, Natural Bridge Caverns. The Hidden Passages Tour takes guest up-close to rare and delicate cave formations with dramatic lighting and includes a total darkness experience.
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Mercer Caverns
Visitors enjoy the convenience of walkways and electric lighting. Cave tours last about 45 minutes. The cavern temperature is 55 degrees year-round. The tour covers about a quarter mile on walkways and stairs. There are a total of 440 steps, 208 down into the caverns and 232 up out of the caverns. Visitors descend a total of 160 vertical feet below the entrance.
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