Cerro de Potosi: For centuries it was the largest source of silver in the world
Martin Cooper, one of several inventors inspired by “Star Trek,” came up with the first mobile phone as early as 1973
The traveling Sutherland Sisters: Seven women and 37 feet of hair between them
Industrial Wonders: The long, financially draining struggle to build the SS Great Eastern, largest ship put into water in 19th century
The “Kryptos” sculpture at the CIA headquarters in Langley, Virginia, carries an unsolved encrypted message
Kalyazin Bell Tower is a symbol of Russia before communism: a lonely bell tower on a man-made island in a man-made lake
Digital reconstruction reveals an 18th century Scottish woman condemned as a witch–and she has “quite a kind face”
The inspiration for Leonard Cohen’s “So Long, Marianne” was a beautiful woman he met on a Greek island
The Doll Family, four dwarf siblings who found success in Hollywood, not only in “The Wizard of Oz” but in another classic, “Freaks”
Why the fiercely independent Katharine Hepburn hid her 26-year affair with co-star Spencer Tracy
