Expedia Travel

UNESCO has been designating World Heritage Sites since 1972, and there are over 850 sites in over 140 countries, many of them in Europe.  European Castles Tours feature many designated castles, palaces, and churches in central Europe.

Expedia.com has a World Heritage section with information on UNESCO's activities and on designated sites all over the world.

Explore World Heritage sites around the world at Expedia.com

World travel is enlightening, inspirational, and fun, but some travel activities contribute to the world's environmental problems.

Expedia.com has added a section featuring green hotels and tips for responsible travel and reducing your carbon footprint.

A traveler's guide to going green on Expedia.com

Expedia.com

Expedia.com offers a full range of travel planning and booking services, including flights, hotels, packages, cars, cruises, and activities -- and special deals on a wide range of travel services and packages.