Goth is not only dark, but also very gorgeous and magnificent.Also, lots of gothic patterns are repeat the same pattern again and agin,this is one if characteristic of goth-complex.
Gothic architectures
The patterns are related to these gothic buildings, these architectures are all European style.
The color, style and details are very gothic and elaborate.
Also, some of these are really religionary, anyway,”goth” is a quite riligionary style in itself.
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Image 1:http://thomortiz.tumblr.com/post/17671994141/missartistsoul-cathedral-of-strasbourg-iii-by
Image 2: https://www.flickr.com/photos/hist498/1884075647/
Image 3: https://www.flickr.com/photos/sgparry/4915149263/in/photostream/
Image 4: http://www.impressiveinteriordesign.com/stairs-designs-that-will-amaze-and-inspire-you/