In winter the Steinbergstein is a popular and challenging destination for ski tours.

He has led wheelchair and other trips for disabled travelers in some very challenging destinations.

"The future of exploration includes cutting-edge science like this to help us better understand our solar system and an ever-increasing array of challenging destinations."

The North Pole has been one of humanity's most challenging destinations for a long time.

Beloved by the yachting set, the Grenadines are a challenging destination for a budget traveler.

The feature also shares real life experience of trekkers and ways of conquering these challenging trekking destinations.

Getting around can sometimes be a little tough, and it's certainly a challenging destination for first-timers to Africa, but you shouldn't believe all the scare stories.

Today, season's pass holders can spend another $99 and get five days of lift tickets to Steamboat, the more challenging destination a few hours away.

Cruises are perfect for exploring the more challenging destinations.

Why not shoot for a more challenging destination?