Hashima Island
https://www.hashima-island.co.uk/
Virtual walkabout of an abandoned island in Japan. Provides you with information on locations as you virtually traverse the island to spooky music. This is an effective way to terrify and educate!
Flavor: abandoned places
The Proper People
https://theproperpeople.com/
Urban exploration but with a haunted atmosphere. The music that accompanies their videos gives these abandoned locations a real feeling of cognitive dissonance, like nightmares out of context.