On my west coast road trip I came across Sutro Baths, definitely something I wasn't expecting. Looking over the ruins was fascinating to me, and a bit eerie at the same time. The baths opened in 1896 as the world's largest indoor swimming pool establishment. Through an elaborate system of pools, tunnels and pumps, swimming pools were filled by ocean tides! Two acres of glass arched over steam-heated pools, restaurants, a Read More