Gravity-defying 'mystery spots' have a mind-bending explanation

When you drive your kids everywhere, they never learn where they are

World's longest flights leave passengers in the air for the better part of a day

IKEA launches 'gender neutral, activity neutral' city bike

All aboard! Next stop: The ski slopes

The most beautiful bike trails in the U.S.

Fire, not ice, may have sunk the Titanic

The world's highest bridge is beautiful (just don't look down)

How would you repurpose a rusty, 86-year-old bridge?

Folding bike helmet could change cycling safety

Morocco is home to Africa's first bike-share program

Autonomous cargo ships may set sail by 2020