Answer: All of them are the most expensive properties on various editions of Monopoly.
1. Imperial Palace, Coruscant- Star wars edition
2. Graceland, Elvis edition
3. Kermit the Frog’s swamp, Muppet edition
4. Wayne Manor, Batman edition
5. Rue de la paix, French edition
6. Mayfair, London in British edition
Cracked by Raghuvansh and Zizzyphus.