A tower is a tall structure, taller than it is wide, often by a significant factor. Towers are distinguished from masts by their lack of guy-wires and are therefore, along with tall buildings, self-su
Tokyo Skytree, the third tallest tower in the world
Roman tower (reconstruction) at Limes – Taunus / Germany
The Monumental Tower in a foggy day in Buenos Aires, Argentina
An observation tower is a tower used to view events from a long distance and to create a full 360 degree range of vision to conduct long distance observations. Observation towers are usually at least
Observation tower in Auersberg, Saxony, Germany
Haukkavuori's observation tower in Kotka, Kymenlaakso, Finland
Kirkkovuori Nature Observation tower, Karstula, Central Finland.
Swan Bells Observation tower, Perth, Australia.