Italy
The Italian capital has always been particularly famous for being an expensive city, but if you like Italian culture then you can enjoy the best that Rome has to offer for next to nothing. The city houses countless churches (the Piazza Santa Maria), monuments and galleries (Piazza dell'Accademia di San Luca) that are available to visit for free, and if you feel you have exhausted those, then step just outside the city center and take a relaxing walk through the luscious greens of the Villa Ada.
Various; Rome City Centre
It looks equally amazing from the outside, with its facade and obelisk, or the inside, especially the ornate ceiling. You're unlikely to have to queue to get in, in contrast to another cathedral in town. It's also the Pope's own church.
Near the San Giovanni Metro, or a ten minute walk from the Colosseum.
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