Project Iceworm envisioned a sprawling underground city in Greenland where the U.S. could house 600 nuclear missiles, but the project was shut down after less than a decade.

In 1907, Ida Wood emptied her enormous bank account and booked a room at the Herald Square Hotel — where she would spend the final two decades of her life in seclusion.

There were thousands of Sumerian gods worshipped in the cradle of civilization, from the powerful Lord of the Heavens, An, to the terrifying goddess Ereshkigal, who ruled over the Netherworld.

The wife of Emperor Franz Joseph I, Elisabeth of Austria was known for her beauty and for her frequent refusal to be seen in public before she was murdered by an Italian anarchist in 1898.

On April 18, 1775, William Dawes and Paul Revere were both dispatched to warn colonists in Massachusetts that the British were coming — so why is only Revere's story celebrated today?

John Casablancas' models were fashion icons like Naomi Campbell and Cindy Crawford, who earned enormously high paychecks, but Casablancas and his agency also faced significant scandals throughout his life.

In 1885, Sarah Elisabeth Goode was awarded a patent for a bed that folded into a roll-top desk, an invention she designed to save space in cramped Chicago apartments.

Mary Kenner's best-known invention was an adjustable sanitary belt that held reusable menstrual pads, but she also designed a toilet paper holder, a back massager, and more.

After a failed monsoon season and brutal drought, the Madras Famine impacted millions of people in India from 1876 to 1878 — and the British colonial government made the situation even worse.

The Bible says that Jesus was buried in a "new" rock-cut tomb near his crucifixion site, and most scholars believe that tomb is located in the Church of the Holy Sepulchre in Jerusalem.

After she challenged her sister Cleopatra's rule, Arsinoe IV was brutally killed by Mark Antony's assassins in the Temple of Artemis at Ephesus in 41 B.C.E.