Budapest’s Széchenyi Thermal Bath is the largest of its kind in Europe. This sprawling spa surrounds you in romantic Neo-baroque architecture. Relax in the indoor thermal baths or venture to the outdoor swimming pool, where you can play chess with locals on oversized boards. Later, explore nearby Heroes’ Square and City Park’s Vajdahunyad Castle, which features replicas of famous Hungarian landmarks.

Put on your walking shoes as you hike through some of Slovenia’s most incredible countryside. On this half-day trip, hike through the forest that shields Bled Castle, then enter the fortified walls for a stunning view of Lake Bled’s cerulean waters.