Take a tour of Eltz Castle in Germany - part of the World s Greatest Attractions series by GeoBeats. The Eltz Castle, or Burg Eltz, is one of the most picturesque castles in the world. Its sheer walls and towering spires climb up through the surrounding trees. This majestic stronghold was built in the 12th century and was never captured by invading armies. The castle remains in the ownership of the family that has possessed it for 33 generations.