1. Northern Vietnam: Vietnam is a well-known budget travel destination, but the area north of Hanoi along the Chinese border is often ignored by tourists. Budget travelers can find private hotel accommodations for $10-15 a night or dormitories for as low as $5. Food prices range from $0.50-$2 a dish, and transportation between towns only costs a few dollars.

2. Bishkek, Kyrgyzstan: Kyrgyzstan is one of the most spectacular but underrated countries in the world. Best of all for budget travelers: Kyrgyzstan is surprisingly affordable. Private accommodation can be found in the city for as little as $15 a night, and a hearty meal starts at about $2. Even accommodation in a traditional yurt-style yurt with two meals can be as low as $20 per person.

3. Lisbon, Portugal: Lisbon has museums with different themes, historical buildings, mixed music and nightlife. Tourists can also go to squares and cafes to watch people coming and going. Costs are lower here than in many other European destinations, with cheap accommodation priced around $30.

4. Seoul, South Korea: Seoul is a charming metropolis full of high-tech infrastructure, modern skyscrapers, historical buildings, foreigners and Korean food, all at super low prices.

5. Bucharest, Romania: Bucharest brings together buildings from centuries past, and the mix of old and new buildings looks interesting. With crazy nightlife and cheap and plentiful food, this is a city worth visiting.