St. Stephen’s Cathedral
An elevator in the North Tower of the "Steffl" will take you and your children to see Austria's largest bell, known as the "Pummerin" or boomer.
And if you have the energy you can climb the 343 steps to the Türmerstube (tower room) to enjoy unique views of Vienna and take a closer look at some of the cathedral's 230,000 roof tiles.
If you are feeling particularly brave you can also take a tour of the catacombs - an underground burial vault.
Tip: go for a spin aboard a horse-drawn carriage (to the left of the main entrance of the cathedral).