How To Use Observation tower In A Sentence

Part way down, we stopped at the Torre Tavira, which is a merchant's house atop of which an observation tower was built.
A 40 meter observation tower towers aloft on the region.
This typically disqualifies telecommunications and observation towers that have only a small number of floors. Times, Sunday Times
Old World War II gun emplacements and observation towers rust and crumble silently.
I know people who like to lean over the edge of observation towers or ride the tallest roller coasters without holding on.

However, construction of the observation tower would cover most of this land in Tarmac and other impermeable surfaces, which would increase surface run-off, because less water can soak into the ground.
I know people who like to lean over the edge of observation towers or ride the tallest roller coasters without holding on.
Brazil maintains the elevator and observation tower at left.
It includes an observation tower, elevators that descend into the gorge at the base of the American falls, and boat trips into the waters at the base of the Horseshoe Falls.
Hacker wrote that Michael had been shot while manning a two-storey observation tower. 'My son was shot by a British sniper, now all I want is the truth'