Complex sentence: Once teams had their wood, it would be stamped with their next destination, left to figure out and told them that the Pit Stop is Schloss Hellbrunn in Salzburg, Austria.
Split into simpler sentences: Once teams had their wood, it would be stamped with their next destination. They were left to figure out that it told them that the Pit Stop was Schloss Hellbrunn in Salzburg, Austria.