Fortresses .

Palamidi's 857 steps lead to an 8 euro ticket, while Monemvasia's entire castle costs nothing to enter as of October 2026, just a pricier bus ride from Athens.

Ananuri and Narikala cost nothing to enter, but Gremi's small museum charges a modest fee and most of your budget goes to marshrutka rides, not tickets.

Egypt delivers some of the world's most spectacular castle and fortress experiences, where 4,000 years of military architecture spans from pharaonic mud-brick strongholds to massive Islamic citadels that dominated medieval battlefields...