Dynamo iOS Wallpapers - Never run out of battery with these dynamic wallpapers
Virtual Museums - Explore the world's museums, virtually.
Dynamic Wallpaper Club - Make and share dynamic wallpapers for macOS
Google Arts & Culture - Explore collections of art and culture from around the world, both past and present.
Unsplash Wallpapers for Mac (Official) - Curated, HD desktop background photos from Unsplash.
The Met - Official app of The Metropolitan Museum of Art