Diving and Snorkelling in the Red Sea - You can dive to the sunken ships and look for treasure..
Water ski, para-glide or take a glass bottomed boat and view the fantastic corals located on the reefs. You can also swim, sail - go windsurfing or waterskiing.
Try Trekking in Dana and Wadi Araba, Hike the Prophets trail near Ajloun, Canyoning in Mujib and many other areas..
Camel and horse riding in the Wadi Rum desert - if you are feeling lazy - then take the 4 x 4 jeep for a tour of all the places of interest in Wadi Rum..
Try hot air ballooning over Wadi Rum..
Float in the Dead Sea and read your book ...