Featured: Mercer Caverns Showplace of the Sierra Mercer Caverns, world famous for the rare Aragonite flos ferri, celebrated its one hundredth year of discovery and operation on September 1, 1985. It is the longest continually operating commercial caverns in the state of California. The owners have guest books signed by paying customers - dating back to September of 1885 to present - indicating that visitors were welcome at Mercer Caverns every year since its discovery. Monterey Bay Aquarium A must-see if you're in the area Roaring Camp Railroads Historic narrow-gauge steam trains through the redwoods and beach trains to the Boardwalk. Santa Cruz Surfing Museum Museum in the lighthouse that symbolizes Santa Cruz more than any other landmark. Stagnaro Bros. Seafood Restaurant Restaurant and outdoor fish market at the Santa Cruz Wharf. Santa Cruz Beach Boardwalk Admission free amusement park located on the Santa Cruz beach Santa Cruz County Conference and Visitors Council A useful and informative guide to lodging and  activities in Santa Cruz and it's surrounding areas