Nossa Senhora da Boa Estrela (Our Lady of the Good Star) in Unhais da Serra, Portugal

This little sanctuary in the mountains is a very well-kept secret. If you blink while driving along this road in the mountain range of Serra da Estrela, you'll miss this place. Granted, the views are so amazing here (it's the highest mountain on the Portuguese mainland), that even if you know it's there you might miss it.

Just before you reach de Torre de Estrella, which is the highest point, you can spot this statue in a cove. The statue was placed in 1946 and made by António Duarte, a local priest. He wanted to honor the local shepherds because they had a hard job guiding their flocks in these mountains, due to the harsh weather conditions. The statue is seven meters (23 feet) tall and was meant to offer protection.

However, the sanctuary does have an associated festival and pilgrimage. Every year on the second Sunday in August people (mainly locals) come here and listen to mass and place flowers at the stone carved cross by Manuel Figueiredo.