Secret apartments in Cinderella Castle, Disney World, USA
The room looks like a suite in a very expensive hotel, yet you can’t book a night in it with all the money in the world. Still, you can win such an opportunity: every day in January, Disney World makes a lottery for it.
Source: Bright Side: https://brightside.me/wonder-curiosities/10-secret-places-hidden-in-plain-sight-336910/