The tours are now available for more than 15,000 locations, and they include popular tourist spots like Italy’s St. Mark’s Basilica or Yosemite’s Half Dome. The new feature is accessible when a user searches for a place, and then the left-hand panel will display any live photo tours. Just click the thumbnail or link to embark on the photo tour. Indications for photo tours also appear when browsing Google Maps. In this instance, just click a landmark’s label to find an available photo tour.