My advice would be to do as many excursions as you can. They are a great way to get to know your group, and they are always good fun.

Mike Contiki Article on Optional Excursions - Europe

I can't describe the amazing feeling that you get, its a sense of achievement and something you will never really believe you have done.

Crispy Article on Paragliding, Hopfgarten

Canada & the Rockies is a perfect mix of adventure, scenery, nightlife, and comfort...cool accommodation, picture-perfect scenery, and optionals geared for the mountains, rivers, lakes, and forests; everyone loves the draw of the Great White North!

JordanAllen Article on Canada