Mapquest:
http://www.mapquest.com
Find maps for maps of anywhere in the world.

Currency Converter:
http://www.oanda.com/cgi-bin/ncc
Use the currencies converter to get the current exchange rates on more that 164 currencies around the world.

Lonely Planet:
http://www.lonelyplanet.com
Lonely Planet specializes in offering travel information and advice countries and cities throughout the world.

Travelocity:
http://www.travelocity.com
Research airline fares, hotel accomodations, car rentals, and book your reservations on-line.

TravelNow Worldwide Hotel Reservations:
http://www.travelnow.com
This service helps you find a hotel, check prices and room availability, and make reservations at more than 20,000 hotels in more than 5,000 cities and 140 countries.