From Amsterdam to Paris by Thalys and then with Paris Metro.
One the the best tourist place in europe which can be covered in two days over the weekend.
If you want to take Open tour Bus(One day or two day) with Hop in and Hop out at any attraction you can take Open tour.Other alternative to complete the same without getting down is to take 90 minute open bus tour by FOXITY which is cheap and qick option.
Central Point to start the trip :MADELEINE station line 8 or 12 or 14.get down at station and take exit(SORTIE in french) 1.
Trains-METRO in Pariswww.ratp.fr