WONDER #2051: Where Is the Tallest Staircase?
Question 1 of 3
Mt. Niesen is located in which country?
Question 2 of 3
How many stairs go up Mt. Niesen?
Question 3 of 3
The Haiku Stairs can be found in which U.S. state?
Check your answers online at https://wonderopolis.org/wonder/where-is-the-tallest-staircase.