Mirage Tower

Mirage Tower (Japanese: げんえいのとう Phantom Tower) is a location in Hoenn that only appears in. It will disappear and reappear in the desert on as the undefined visits and leaves the Route. The tower is four stories tall; the top floor contains a Root Fossil and a Claw Fossil. To get to the top, a Mach Bike and are required. Wild and  can be found in the tower.

Obtaining the Fossil
Some sections of floor inside are cracked and unstable, so a Mach Bike, which can quickly ride over the weak points before they crumble away, is required to reach the top. After one of the Fossils is taken, the tower will collapse, the remaining Fossil will sink into the sand, and the tower will never return. However, this other Fossil can later be found in the Desert Underpass, the entrance to which is located on at the back of the Fossil Maniac's house, though it cannot be accessed until the undefined completes the game and obtains the National Pokédex.

Trivia

 * There is a minor error on the second floor above the steps; it shows no rock but the player cannot walk there.
 * Mirage Tower may be inspired by a tower with the same English name that appears in for the NES. Both towers appear in a desert, are only visible under certain circumstances, and contain a spiral-shaped interior.
 * A found in Desert Resort in  makes reference to the tower, saying, "The Mirage Tower in a desert of the Hoenn region has disappeared."

In other languages
Wunderturm Torre Espejismo Tour Mirage Torre Miraggio げんえいのとう 幻影之塔