Though decommissioned in 1999, you can still climb the wooden stairway with 4,444 steps. The longest wooden staircase in the world.
Some call this adventure Flørli 4444.
There are longer staircases in the world. Highest is the service stairway for the Niesenbahn funicular railway near Spiez, Switzerland, with 11,674 steps. But that one is only open to the public one day a year.
Click PLAY or watch it on YouTube.