June 12, 2001-- TripAdvisor, Inc. (www.TripAdvisor.com), the award-winning search engine for travel, today announced the "Best of Summer" attractions for the United States, based on search results for the month of May. Topping the list is Boston Duck Tours in Boston, MA.

"We are thrilled that Boston Duck Tours tops the list of most researched attractions on TripAdvisor. As Boston's only land and water tour, we offer fun for the entire family and a unique way to see and learn more about the city," said Cindy Brown, General Manager of Boston Duck Tours.

TripAdvisor’s patent-pending search technology offers both interactive search capabilities and a targeted directory structure that focuses solely on travel. TripAdvisor's robust and scalable database is filled with relevant, unbiased, and "hard to find" travel information catalogued by destination and travel interests.

The Top 10 "Best of Summer" attractions for the United States, based on search results for the month of May are as follows:

1. Boston Duck Tours in Boston, Massachusetts
2. Sea World Texas in San Antonio, Texas
3. The Seattle Underground Tour in Seattle, Washington
4. Houston Museum of Natural Science in Houston, Texas
5. Hogs & Heifers in New York City, New York
6. Hershey Park in Hershey, Pennsylvania
7. Bliss Spa in New York City, New York
8. Key Arena in Seattle, Washington
9. Abhasa Waikiki Spa in Oahu, Hawaii
10. Zilker Park in Austin, Texas

Now with over 100,000 opinions on vacation spots in North America, TripAdvisor is an unparalleled source of unbiased information. "Compiling the worlds opinion' within one web site provides travel consumers with the information they need to make informed purchase decisions, more quickly and easily," said Stephen Kaufer, CEO and Co-founder of TripAdvisor. For in-depth information on these "Best of Summer" attractions and travel destinations within North America, visit www.TripAdvisor.com.