2013: Top 10 U.S. travel destinations

10. Glacier National Park, Mont.
9. Verde Valley, Ariz.
8. Twin Cities, Minn.
7. Northern Maine
6. Eastern Sierra, Calif.
5. American Samoa
4. Philadelphia, Pa.
3. San Juan Islands, Wash.
2. Fairbanks, Alaska
1. Louisville, Ky.
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Which tourist hotspots made Lonely Planet's (www.lonelyplanet.com) list of the top 10 U.S. travel destinations for 2013? Montana's Glacier National Park, known for its 25 glaciers, took the No. 10 spot. Read on to find out the other nine.