TravelNotes.org: Yemen - Information about the country, including articles, discussions, and links. Yemen Tourism Promotion Board - Government and private business board provides visitor information and photos about the various cities and regions of the country. Lonely Planet - Yemen - Comprehensive facts and advice for traveling along with background material on the culture and history of the country. Yahoo! Travel - Yemen - Directory and information about hotels, attractions and cities with maps, pictures and travel advice. World Heritage Sites in Yemen - Listing of UNESCO World Heritage sites in Yemen, with links to sources of information. World Travel Guide - Yemen - Tourist and business travel information with facts on climate, visa, health, passport, currency and customs requirements. CDC - Travelers' Health: Yemen - Health information for travel to the country from the U.S. Government Centers for Disease Control and Prevention (CDC). Trade.State.Gov - Yemen - Offers travel information including Quick Facts, embassies and consulates, entry and exit requirements, safety and security, local laws, health, transportation and Fact Sheet. From the U.S. Department of State. iExplore - Yemen - Adventure and experiential travel group provides a guide on the country and its history, events, places to go and activities with tours, photos and other tourist information.