Enormous, failed projects are found in multiple countries, including North Korea.
How big is their tourist industry, do you think? The better question probably is: who would want to go there?! I'm guessing the answer is: very few.
Yet North Korea set out to create the biggest hotel in the world for the prestige. The 105-story concrete shell has been there for decades but was never finished. It's starting to crumble. There is a bright facade on which political messages are played.
But the Hotel of Doom has never had a single guest.