At first created for militaries during the 19th century, these 374 steps are a real everyday challenge, which would burn all your calories gained after eating Liege’s waffles. However, it’s completely worth it because when you get on top, you can enjoy its amazing view of Liege. Bonus, during holidays, the stairs are decorated with candles or flowers. With a bike or a not, this is the perfect place for extreme sports ‘ lovers.