The Sanctuary of the Sacred Heart of Jesus, also known as Mount of Santa Luzia, is a stunning architectural gem in Viana do Castelo, Portugal. This majestic structure, with its mix of Byzantine and Gothic styles, offers breathtaking views of the city and surrounding landscape. Visitors can take a charming funicular ride up the hill to explore the church's beautiful interior and even climb to the top of the dome for panoramic vistas. It's a must-visit spot for anyone looking to soak in some history and enjoy some seriously Instagram-worthy views!