Vietnam is known for its low prices. Naturally, its main city, Ho Chi Minh City, has all the advantages of a thriving metropolis without breaking the budget.
Buenos Aires is known as "the Paris of South America," and Argentina's largest city (and capital) provides a world-class experience even for the budget-minded.
With free concerts, plenty of running trails and food vendors, not to mention its top attraction, Ibirapuera Park, São Paulo is a great destination for the frugal spender.
The tropical paradise of Bali is much more affordable than you might think. Visitors can stay in hostels for as little as $4 per night.
Shanghai is an ideal city for budget travel. The cost of hostels starts at around $6 per night, with a midrange hotel costing about $85.
Nestled against the Caribbean Sea, Cancun is a major tourist destination in Mexico, but it doesn't have to destroy your budget.
Home to ancient ruins such as the Acropolis and the Parthenon, Athens is perfect for history junkies.
Located on the Pacific entrance to the Panama Canal, it's a hub of banking and commerce -- as well as tourism.