Castel del Monte, Italy's mesmerizing medieval fortress, boasts a striking octagonal design that's a marvel of 13th-century architecture, built by King Frederick II in the 1240s. | Beautiful Houses and Buildings

Castel del Monte, this beautiful 13th century fortress is located in Puglia, Italy, and is on the UNESCO World Heritage List. I was fascinated by its octagonal shape and reproduced it using 30,000 magnetic balls | Magneticgames

30K views · 886 reactions | Non è mai stato così impenetrabile Castel...