Copenhagen

Some possibilities here:

http://www.netto-baadene.dk/  {blue netto boats}

http://www.cex.dk/ {hop on hop off bus company?}

http://www.sightseeing.dk/regado.jsp?type=page&id=96

http://www.copenhagen.com/tourism/royalpalaces/amalienborg.asp?Menu=Tourism {Royal Palaces - changing of the guard at 12 noon}

http://www.visitcopenhagen.com/composite-1.htm

http://www.cphcard.com/

   http://www.visitcopenhagen.com/tourist/what_to_see_and_do/tours_&_excursions/city_tours/copenhagen_in_one_day

http://www.explore-copenhagen.com/878/Tours_of_the_City.html

http://www.frommers.com/destinations/copenhagen/

http://www.copenhagenet.dk/

http://guides.travelchannel.com/copenhagen

http://johnhealdsblog.com/2008/04/05/a-blog-from-denmark/

http://johnhealdsblog.com/2008/04/06/teaching-hamlet/