Free images results:

Portal pictures, stock photos and images


Blue Door Royalty Free Stock Photos
Author: Barsik
Church Dome Royalty Free Stock Image
Author: Bandu

Also, here are some commercial RF-licensed images that match your search criteria:  
Portal Royalty Free Stock Images
Author: Jgroup
Portal Royalty Free Stock Photography
Author: Mihalcin

Explore more commercial options: More Portal Stock Illustrations & Vectors | More Portal Stock Video Footage