Lowdown: U.S.-based search site that helps academics, artists, writers and professionals find sabbatical home exchanges, house-sitting opportunities and home rentals. It includes properties in the U.S. and 56 other countries.
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Lowdown: Want to know what routes you could take from your city to, say, New Delhi? This site shows all the possible routes for the shortest flight between two points. Including more than 100,000 possible route combinations, it may help you cut costs and figure out new ways to fly from point A to point B.
Lowdown: If you yearn to travel, check out this portal for people who want to teach English in South Korea. All expenses plus salary are paid by the South Korean government. Applications are now being accepted for February 2011; you must have a bachelor's degree and be ages 20-55. The site also contains volunteer tourism and study abroad opportunities.
Lowdown: It's a fun — and sometimes horrifying — site that lets you find the true cost of your airline ticket or car rental. You put in the ticket price, then add your options — baggage, priority seating, etc. It gives you the grand total of what that flight or ride will actually cost.
Lowdown: Take me somewhere, anywhere! If you're not sure where you want to go but have a maximum air ticket price in mind, this site can help. Just put in your originating airport, and it shows you a world map with prices posted to dozens of destinations.