The Marina Towers are those two iconic round building on Chicago's riverfront. The Marina Towers Condominium Association apparently thinks copyright law means no one can sell a picture of its building without the association's consent.
This author, a photographer, explains how it is very wrong.
There are also links on the page to updates and legal responses concerning the issue.
While these initiatives are unlikely to be held up in court, they are frightening. The ability to take pictures in public, of things and people in public, is vital to the protection of our civil liberties.
While pictures of these two buildings may not matter much, the principle does.