One of the largest castle complexes in Central Europe and a UNESCO World Heritage Site, Spiš Castle sprawls dramatically across a limestone ridge in eastern Slovakia. Built in the 12th century and expanded over the following centuries, the castle ruins cover over four hectares and include a Romanesque palace, Gothic chapel, and multiple defensive walls. The castle served as a military fortress, political center, and noble residence before a devastating fire in 1780 left it in romantic ruin. Today, the partially restored complex houses a museum with medieval weaponry, torture instruments, and archaeological exhibits that bring the castle’s turbulent history vividly to life.

Pro tip: The 20-minute uphill walk from the parking lot is steep — wear sturdy shoes and bring water, but the reward is one of the most photogenic castle ruins in all of Europe.