Cupola Designs and Plans
Cupolas bring an instant old-world charm to your home and enhance the roof line much like a dormer would, but depending on your design, cupolas are less structurally invasive than dormers and decorative cupolas are much easier to install.
They are also the perfect base-point for a classic weathervane.
Where Can I Find Cupola Plans? [Cupola FAQ]
Build a Cupola Plans [Family Handyman]