Explore a historic fortress perched on a hill, offering panoramic views and a glimpse into medieval architecture. Visit a former hospital with striking Gothic architecture, now housing cultural events and exhibitions. Admire the stunning Gothic design and intricate stained glass windows of a prominent church. Wander through a vast complex that hosted massive rallies, a testament to the city's controversial past. Discover another historic church renowned for its beautiful altars and impressive pipe organ. Marvel at a Renaissance fountain adorned with allegorical figures representing virtues. Step into a historic bathhouse, showcasing beautiful Art Nouveau architecture and intricate tilework. See a dramatic fountain depicting scenes from a poem about the trials of marriage. Experience the thrill of a famous street circuit that hosts an annual motorsport event. Visit an enormous, unfinished structure originally intended as a massive congress hall, now a museum documenting its history.