Puzzles commented by Doc

Blue and Gold puzzle online from photoWhat is this tractor? puzzle online from photoBinnenhof Palace in The Hague (Netherlands) puzzle online from photoBeach in Scarborough (United Kingdom) puzzle online from photoCourt house in Jackson (USA) online puzzleLighthouse in Gaspé (Canada) puzzle online from photoSaint Nicolas Church in Prague (Czech Republic) online puzzleBuilding of Fine Arts Museum in Vienna (Austria) online puzzleLake Tegernsee (Germany) puzzle online from photoCastle in Breclav (Czech Republic) online puzzleBeach in Carvoeiro (Portugal) online puzzleChurch of San Giorgio Maggiore (Italy) online puzzleGreen square in the district of Pudong in Shanghai (China) online puzzlePlaza de España in Seville (Spain) puzzle online from photoThe Cliffs of Moher (Ireland) puzzle online from photoMiramare Castle in Trieste (Italy) online puzzleWater mill in Bechyně (Czech Republic) puzzle online from photoChurch in the village of Ludrová (Slovakia) puzzle online from photoLimmat River in Zurich (Switzerland) online puzzlePedestrian footbridge on the Yarra River (Australia) puzzle online from photoBukchon Hanok village in Seoul (South Korea) puzzle online from photoChurch of St. Francis of Assisi in Vienna (Austria) online puzzlePanorama of Salzburg Centre (Austria) puzzle online from photoChurch of Transfiguration on the island of Kizhi (Russia) online puzzle
Lake Walen (Switzerland) puzzle online from photoMilford Sound (New Zealand) puzzle online from photoSunset on the tropical beach online puzzlePennybacker Bridge in Austin (USA) puzzle online from photoSt. Clement Church in Ohrid (Macedonia) puzzle online from photoCentre of Rome by the Trajan’s Forum (Italy) online puzzleOld city Hall in Bamberg (Germany) puzzle online from photoSafari lodge in Tsavo National Park (Kenya) puzzle online from photoWhite street on Mykonos (Greece) online puzzleHouses on the river Regnitz in Bamberg (Germany) puzzle online from photoOliwa Cathedral in Gdańsk (Poland) online puzzleWindmill in Zaanse Schans (Netherlands) online puzzleLake Lucerne (Switzerland) online puzzleBothwell Castle (Scotland) puzzle online from photoCourtyard of Alhambra fortress (Spain) online puzzleStockalper Castle (Switzerland) puzzle online from photoMonpazier (France) online puzzleFortress in Chocim (Ukraine) puzzle online from photoCity of Lappeenranta (Finland) puzzle online from photoWarwick Castle (Great Britan) online puzzleEast River Strait and Manhattan Bridge (USA) online puzzleLower Belvedere in Vienna (Austria) online puzzleStreet in Zutphen (Holland) puzzle online from photoThe town of Schiltach in the Black Forest (Germany) online puzzle