1. NO PURCHASE NECESSARY TO ENTER OR TO WIN. COMPLETION OF SURVEY NOT REQUIRED. ALL FEDERAL, STATE, LOCAL AND MUNICIPAL LAWS AND REGULATIONS APPLY. VOID WHERE PROHIBITED. TO ENTER: There are two (2) ways to enter: (1) Enter by visiting the National Geographic Traveler Online Panel and completing all of the required information and following all instructions. Submit your entry by clicking on the "Continue" button. Or (2) enter by mail by printing your name, address, e-mail address, daytime telephone number (optional) and the name of the prize drawing ("National Geographic Traveler Online Panel") on a 3 x 5 card and mailing it to: National Geographic Traveler Online Panel, Mediamark Research, Inc., 75 Ninth Avenue, 5th Floor, Ext. 9247, New York, NY 10011. The entry period will begin at 12:01 A.M. (E.T.) on August 1, 2008, and will close at 12:01 A.M. (E.T.) on August 31, 2008. Write-in entries must be postmarked by August 31, 2008 and Internet entries must be received by 12:01 A.M. E.T. on August 31, 2008.

2. Eligible entrants must enter via either the write-in or online methods described. Limit one entry per person during the entry period. Multiple entries submitted by a single person, whether via write-in or Internet, are void. Incomplete entries are void. National Geographic Society, publishers of National Geographic Traveler (“National Geographic Traveler”) and Mediamark Research, Inc., (“MRI”) will not share or distribute or sell entries to any third parties. By entering, entrants acknowledge compliance with these Official Rules, including all eligibility requirements. No mechanically reproduced, software-generated or other automated multiple entries permitted. MRI and National Geographic Traveler will not be responsible for incomplete, lost, late, misdirected or illegible entries or for failure to receive entries due to transmission failures or technical failures of any kind, including, without limitation, malfunctioning of any network, hardware or software, whether originating with sender or sponsor, or for any human error lost/delayed data transmission or any other error or malfunction. In the event of a dispute, all email entries will be deemed to have been submitted by the owner of the email account from which they were sent. For these purposes, an email account holder shall mean the natural person assigned to such email account by the Internet access provider, online service provider or other organization responsible for assigning email addresses for the domain associated with such email account. All entries become the property of National Geographic Traveler. You agree that you shall not upload, post or transmit any materials which contain any computer viruses, Easter eggs, worms, Trojan Horses or other harmful component or programming routines that are intended to damage, detrimentally interfere with, surreptitiously intercept or expropriate any system, data or personal information. Entry materials that have been tampered with or altered are void. Any questions regarding the number of entries submitted or the owner of an email account shall be determined by National Geographic Traveler in its sole, reasonable discretion, and National Geographic Traveler reserves the right to disqualify any entries by persons determined to be tampering with or abusing any aspect of the sweepstakes.

3. ELIGIBILITY: Sweepstakes open only to U.S. residents (excluding Puerto Rico), 18 years of age or older at time of entry. Sweepstakes is not open to employees of National Geographic Traveler or MRI and each of [its/their] respective affiliates, subsidiaries, and advertising or promotional agencies, and the immediate family members of, and any persons domiciled with, such employees. This sweepstakes is subject to all applicable federal, state and local laws of the United States with venue in New York County in the state of New York and all claims must be resolved in the United States. Void where prohibited. Winners agree that National Geographic Traveler, MRI, their affiliates and their agencies and employees shall not be liable for injury, loss or damage of any kind resulting from participating in this promotion or from any acceptance or use of any prize awarded.

4. PRIZES: One (1) winner will be selected in a random drawing from among all eligible entries to be held on or about September 7, 2008. Prizes are nontransferable and non-endorsable, and no cash or other substitutions will be offered except at the sole discretion of National Geographic Traveler. One (1) prize winner will win two (2) Round Trip Airline "coach class" Tickets (one ticket and one companion ticket) to anywhere in the 48 Contiguous U.S. states via a major U.S. carrier determined by National Geographic Traveler. Odds of winning depend on number of eligible entries received. All prizes will be awarded.

5. WINNER NOTIFICATION AND ACCEPTANCE: The winner will be notified by e-mail. Return of prize notification as undeliverable may result in disqualification and an alternate winner may be selected. Winners may waive their right to receive a prize. Prizes are non assignable and nontransferable. No substitutions allowed, except that prizes and individual components of prize packages are subject to availability and National Geographic Traveler reserves the right to substitute prizes of equal or greater value. Winners are solely responsible for reporting and payment of any taxes on prizes. Winners may be required to complete an affidavit of eligibility, and a liability and publicity release (except where prohibited by law), which must be returned within 14 days of the date of notification. Failure to sign and return the affidavit or release within 14 days, or to comply with any term or condition of these Official Rules or the prize notification letter, may, at the sole discretion of National Geographic Traveler, result in a winner’s disqualification, the forfeiture of his or her interest in the prize, and the award of prize to an alternate winner. Except where prohibited, participation in the sweepstakes constitutes entrant’s consent to the publication of his or her name and image in any media for any commercial or promotional purpose, without limitation or further compensation. For prizewinner list (available after December 7, 2008) send a self-addressed, stamped envelope to Mediamark Research, Inc., 75 Ninth Avenue, 5th Floor, New York, NY 10011. Residents of Vermont may omit postage.

6. SPONSOR: The National Geographic Traveler survey sweepstakes is sponsored by National Geographic Traveler, whose decisions regarding the selection of winners and all other aspects of the sweepstakes shall be final and binding in all respects. National Geographic Traveler will not be responsible for typographical, printing or other inadvertent errors in these Official Sweepstakes Rules or in other materials relating to the sweepstakes. If you have any questions regarding this sweepstakes, please contact Mediamark Research, Inc., 75 Ninth Avenue, 5th Floor, Ext. 9247, New York, NY 10011.