Pokemon Tower

The Pokémon Tower was a seven-story tower located in Lavender Town in the region of Kanto. On all seven floors, the tower housed hundreds of graves of deceased Pokémon. Many people visited the building daily to pay their respects to the fallen. On all floors other than the first two, though, the possibility of being attacked by wild Pokémon was present. It was destroyed when a Koffing used selfdestruct inside of it, causing the tower to collapse.

Gengar, Haunter and Miss_Gastly have all originated from Pokemon Tower.