The year 2012 was definitely a hot one for travel, what with a record-breaking 1 billion people journeying outside their borders.So what were the most popular travel destinations of the year? And, more specifically, which attractions were people hitting?Social travel website Gogobot has just released a list of the top destinations and attractions this year, based on the nearly 10 million travel stories and virtual "postcards" shared on Facebook by its users.Coming out on top of the destination list was Paris, followed by Las Vegas, San Francisco, Barcelona and San Francisco.The most popular tourist sites featured in Gogobot's users' postcards were the Eiffel Tower, Paris; The Colosseum, Rome; Central Park, New York; Gardens by the Bay, Singapore; and the Golden Gate Bridge, San Francisco.Most shared travel destinations1. Paris 2. Las Vegas 3. San Francisco 4. Barcelona 5. San Diego 6. Bangkok 7. Rome 8. New York City 9. Venice 10. Marrakech 11. Chicago 12. Nice 13. Singapore 14. Madrid 15. Cape Town 16. Los Angeles 17. Granada 18. Rio de Janeiro 19. Istanbul 20. Tula 21. Phnom Penh 22. Washington, D.C. 23. Greater New York City 24. Hong Kong 25. DubaiMost shared attractions1. Eiffel Tower, Paris 2. The Colosseum, Rome 3. Central Park, New York 4. Gardens by the Bay, Singapore 5. Golden Gate Bridge, San Francisco 6. Waikiki Beach, Hawaii 7. La Sagrada Família, Barcelona 8. Times Square, New York 9. Balboa Park, San Diego 10. Arc de Triomphe, Paris 11. Trevi Fountain, Rome 12. Disneyland Paris 13. Big Ben, London 14. The Las Vegas Strip 15. London Eye, London 16. Tulum Ruins, Mexico 17. Tower Bridge, London 18. Empire State Building, New York 19. Hoover Dam, Nevada 20. Château de Versailles, France 21. Alibi Restaurant and Lounge 22. Sam Poo Kong, Indonesia 23. Victoria Peak, Hong Kong 24. Park Güell, Barcelona 25. Angkor Wat, Cambodia