If you want to visit Europe, you can also visit Romania and try the Transylvania Citadels itinerary which you can find on the site of Expert Travel agency http://experttravel.ro/hotel-2...i-transilvanene.html
I'll recommend this one because is kinda cheap and you'll learn new things about Romania and the medieval times. The itinerary consists in 3 days of travel with bus transport, accommodation in 3* guesthouse or hotel and a tour-guide. Also this tour will be made in group of 20-40 people.
Total price : 48 euros/person
What you can visit: Day 1: Alba Iulia-Sibiu- The old town, The Central Square, Brukenthal Museum.
Day 2: SIBIU – FAGARAS – BRAN – RASNOV - BRASOV
Here you'll be visiting- Fagaras Citadel, Bran Castle, Rasnov Citadel, The City of Brasov
Day 3: Sinaia - Sighisoara
Here you'll be visiting Peles Castle, the City of Sighisoara
I will post some pictures to see the beautiful attractions and for more information you can contact the travel agency above.
PS: you can visit and try this itinerary in the middle of Spring or beginning of Summer