Passport Information
http://www.travel.state.gov/passport
Currency Conversion
http://www.xe.com/
American Embassies
http://www.americanconsulate.com/
World Weather
http://www.weather.com/
Current Worldwide Time
http://www.timeanddate.com/world/clock
World Electricity Guide
http://www.kropla.com/electric
Airport Guide
http://www.worldairportguide.com/
Best Airfares
http://www.orbitz.com, www.kayak.com, http://www.daily flight deals.com
We suggest you check on line sources for airfare as well as individual airline sites directly
USA National Parks
http://www.nps.gov
UNESCO World Heritage
http://www.whc.unesco.org
Royal Horticultural Society
http://www.rhs.org.uk