Plot your adventure on the Web

Several tour packages are available in conjunction with the release of "The Da Vinci Code" movie. A Google search can pinpoint options. For independent travelers here is a general idea of what a trip would cost. Airfares can change daily, hotel costs vary and meals are additional.

— Average hotel-room cost in London per night: $193 (Sources: PDK Consulting and Washington Post.)

— Average hotel room cost in Paris per night: $227 (Sources: PDK Consulting and Washington Post.)

— Three-hour Golden Tours (Gray Line) walking tour in London: Focuses on sites associated with "The Da Vinci Code." $11 (www.goldentours.co.uk)

— Golden Tours' escorted day trip from London to Edinburgh, Scotland, with visit to Rosslyn Chapel: $275 per person.

— Cityrama (Gray Line) tour of Paris: Focuses on "The Da Vinci Code" sites. $72 (www.graylineparis.com)

— Rountrip Eurostar train ticket from London to Paris: $90-$375 (depending on fare class)

— Economy rental car for a day to travel from London to Lincoln, England: $75

— Getting around: Eurostar, which transits the English Channel via a tunnel, is a quick rail connection between Paris and London; access www.eurostar.com. Rail service is available throughout France, England and Scotland; access www.raileurope.com and www.gner.co.uk (for high-speed service linking England and Scotland). Some destinations on "The Da Vinci Code" trail are most easily accessed by car, and rentals are available throughout the region.

— Information: Tourist agencies in England, Scotland and France are working with Eurostar and Sony Pictures to showcase sites featured in "The Da Vinci Code" movie. Access www.visitdavincicode.com, www.franceguide.com, www.visitbritain.com, www.visitscotland.com and www.goldentours.co.uk.