The Holy See
This was my first completely-independent trip abroad, my first foray into understanding that one doesn't need the services of a tour company to travel internationally. It was just me and my then-girlfriend, Rick Steves book in hand. The total cost including airfare, lodging, local transit, sights, food, and even souvenirs was under $1300 per person. We only visited Rome and Florence, so a return trip to Italy is high on my list.