Visit Nessebar

The "museum without walls": grassy royal burial mounds, the Cheomseongdae observatory and Silla-dynasty treasures across the town.

Ancient churches on a Black Sea peninsula, UNESCO-listed.

Medieval capital on the Yantra gorge.

The main Bulgarian ski resort under the Pirin mountains, with a stone old town and mehana taverns.

A city built on water with no cars — gondolas, Byzantine mosaics, and getting happily lost in the back canals

Visit Krakow, the historic former capital of Poland, known for its medieval Old Town, Wawel Castle, and vibrant cultural scene.

The Renaissance in one walkable city: Michelangelo's David, Brunelleschi's dome, and the Uffizi

Acclimatize in Cusco, the Inca capital where colonial churches stand on six-hundred-year-old stone foundations