5. Bled, Slovenia Bled, a Slovenian resort town in the foothills of the Julian Alps, is set along the glacial Lake Bled. On a cliff overlooking the lake is the 11th-century Bled Castle, which houses a museum, chapel and printing press. Atop an inslet in the lake's center is the Pilgrimage Church of the Assumption of Maria and its steep staircase and bell tower.