Which city is known as the “Rock Capital of the World?” It’s Quartzsite, Ariz. The community hosts many gem and mineral shows. It’s also a year-round destination for vendors of rocks and geodes. Mines surround the area and rockhounding is a favorite winter pastime. “Snowbirds” arriving for the winter months, more than double the number of TDS customers in Quartzsite from Nov. to April. If you have an RV, consider putting Quartzsite into your GPS for your next big roadtrip.