1.   Donjons, their heavily fortified castle towers, offered protection but no comforts.

2.   Equally striking, in a random stroke of genius Clark modeled the dome on the Schlossturm, or castle tower, of the palace of Karlsruhe, Germany.

3.   He topped the tanks with circles of metal so they resemble castle towers.

4.   Six soldiers with high-powered binoculars stood on a platform high on the castle tower scanning the crowd and adjacent buildings for possible trouble.

5.   Squeezed into a castle tower, the theater makes the most of its space.

6.   The castle tower is open to visitors.

7.   The castle tower in Act II looks like a stovepipe, and we discover Isolde standing in the middle of the orange oven.

8.   The Web page book has a picture of a kid painting a castle tower.

9.   We see him fire a rope from a gun, a la Batman, to the tippy-top of a tall, precipitous castle tower.