New York City | Mexico City | Kansas City, Missouri | Carnegie Hall | Kansas City | Salt Lake City | Royal Albert Hall | Quebec City | Oklahoma City | City of London | city | Vatican City | New York City Subway | Panama City | Kansas City Chiefs | Kansas City Royals | Sex and the City | Mayor of New York City | Atlantic City, New Jersey | Utrecht (city) | Cork (city) | New York City Ballet | Manchester City F.C. | National Baseball Hall of Fame and Museum | Jersey City, New Jersey | Royal Festival Hall | New York City Opera | Guatemala City | Atlantic City | Quezon City |
The development of the OpenROV submarine was in part fueled by the legend that stolen gold is hidden in the deep waters of the Hall City Cave located near Hayfork in Trinity County, Northern California.