STAR WARS steam punk helmets are Awesome
Here are some awesome Star Wars steam punk-style helmets. There are Vader, Stormtrooper and a Viking style Boba Fett helmets below. You can buy one of your own for $200-$250 at their Etsy shop. My favorite is the Vader one, but check out the reast below:
They also sell some cool Transformer steam punk helmets as well. Click the reference link to see those.