Looking for some animalistic encounters? Here we go - at the Cologne zoo with its well-known elephant breeding, the "Euregiozoo" in Aachen providing an extensive count of bird species or the wildlife park in Kommern hosting a large amount of local deer.
Some more action can be experienced at the Sommerrodelbahn & Erlebniswelt Eifeltor or the Kletterwald Aachen, and when adding speed and skills, go for a mountainbike trail or a quad tour through the Eifel, have a cart race at the Michael Schumacher Kart- and Event-Center in Kerpen, do some rafting on the river Rur or some wakeboarding at Dock5 on the lake nearby the hotel - the Badesee Duren.
Have it a bit more relaxed by playing a match of soccer golf at the viewpoint "Indemann" and when combining exercise with history, then join a guided tour through "Hurtgenwald" following the way of the confederated armys in World War 2.
In case you are just looking for the funny side, you may visit the theme park Phantasialand, one of the most popular fun parks in entire Europe with its roller coaster attractions and plenty of fun rides for the small and the grand.