Meet Vivian Bales, the forgotten pioneer who rode 5,000 miles solo across America in 1929, became motorcycling's first cover girl, and changed history for women riders.

George Mallory vanished near Everest's summit in 1924. His body wasn't found for 75 years, and a century later his climbing partner Sandy Irvine finally emerged from the ice too. Did they make it? Here's everything we know.

Aleksandra Boyko and her husband bought their own WWII tank and fought in it together. He drove. She commanded. She's the only woman to lead a heavy tank into combat.