Observation towers

If you’re into observation towers [and who isn't?], then this is for you, from World Geography:

Don’t all rush the comments thread at once now.

6 Responses to “Observation towers”

  1. I could live in the first one.


  2. Yup and the Eighth. Really cool. I love engineering porn.


  3. They are good, aren’t they?


  4. What’s the best way to observe observation towers?


  5. From a helicopter of course.


  6. Pleasing architecture that does not hurt the eye.