Gorges de l'Areuse, Switzerland The Val de Travers is a Jura mountain valley perpendicular to the main valleys (hence the name). The river Areuse has cut itself steeply through the soft limestone and clay sediments. It's one of those Roman bridges too.
The dreamy Quinta da Regaleira in Sintra, Portugal. lso known as “Palace of Monteiro the Millionaire”, this romantic escapade of Quinta da Regaleira near the city center of Sintra, Portugal is listed as a World Heritage Site by UNESCO.