Alternative form of Leaning Tower of Pisa

In a high building, a stairway protected by several inches of concrete and entered through a kind of "air lock" that prevents the poluted smoke to enter inside it.

Synonym of watchtower

A watchtower to search for fires in a forest. / In a high building, a stairway protected by several inches of concrete and entered through a kind of "air lock" that prevents the smoke to enter inside it.

A tower in which a bell (or set of bells) is hung; a belfry.

Either of a pair of structures built on each side of a river or harbour mouth from which defensive chains were raised or lowered

A structure made of bars on a motorboat to which a wakeboard can be attached.

A crane, consisting of a balanced beam erected on top of a tall metal (normally self-erecting) tower, used in the construction of tall buildings

(aviation) An airport building from which the air traffic control unit monitors and directs the movement of aircraft on and around the airport.

A bascule bridge in London crossing the River Thames, built in the late 19th century