Jordan, Petra, Arab tourists hike into a narrow slot canyon called the Siq to see the ruins of the Nabataean city of Petra in the Petra Archeological Park is a Jordanian National Park and a UNESCO Wor...

Jordan, Petra, Tourists hike into a narrow slot canyon called the Siq to see the ruins of the Nabataean city of Petra in the Petra Archeological Park is a Jordanian National Park and a UNESCO World He...

Jordan, Petra, Tourists begin the hike into a narrow slot canyon called the Siq to see the ruins of the Nabataean city of Petra in the Petra Archeological Park is a Jordanian National Park and a UNESC...

Italy, Liguria, Cinque Terre, Vernazza, view of the town from high up on the Sentiero Azzurro or Blue Trail which is the famous hiking trail that links the 5 towns.

Italy, Liguria, Cinque Terre, Vernazza, view of the town from high up on the Sentiero Azzurro or Blue Trail which is the famous hiking trail that links the 5 towns.

Italy, Liguria, Cinque Terre, Vernazza, view of the town from high up on the Sentiero Azzurro or Blue Trail which is the famous hiking trail that links the 5 towns.

Italy, Liguria, Cinque Terre, Vernazza, view of the town from high up on the Sentiero Azzurro or Blue Trail which is the famous hiking trail that links the 5 towns.

Canada, Alberta, Columbia Icefield, Group of tourists walking up the Athabasca Glacier.

Nepal, Pokhara. Western children trekking in Himalayan Nepali hills near Pokhara.

Nepal, Pokhara. Young English girls trekking in Nepali Himalayan hills near Pokhara.

Nepal, Pokhara. Western family with children trekking in Nepali Himalayan hills near Pokhara.

Nepal, Pokhara. Western family with children resting during trek in Nepali Himalayan hills near Pokhara.