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Laslovarga/Wikimedia CommonsTikal, an ancient Maya city that dates from 800 B.C. to 900 A.D. Many theories have been explored to try and explain the collapse of the Maya civilization. For years, evidence trying to prove these theories had been inconclusive until now.

After the 9/11 attacks, Pat Tillman gave up a lucrative football career to join the U.S. Army. But in 2004, he was tragically killed by the Taliban or so his family and the American public were led to believe.

Martha de Jong-Lantink/FlickrThe Darvaza gas crater, better known as the Gates of Hell, was unearthed during a failed Soviet oil drilling expedition in 1971. While many deem heaven and hell the stuff of religion and mythology, the locals of Darvaza, Turkmenistan, might beg to differ. After all, the Gates of Hell have been wide open

Wikimedia CommonsThe infamous H. H. Holmes hotel in Chicago, built in the late 19th century. If you were staying at the Worlds Fair Hotel more commonly known as the H. H. Holmes hotel you might run up a flight of stairs and find that it led to nowhere.

Tamas Zsebok/EyeEm via Getty ImagesThe incredibly intelligent, highly elusive super pigs are the result of crossbreeding wild boars and domesticated swine. During the 1980s, Canadian farmers began breeding wild boars with their domesticated swine to create larger pigs that produced more meat. Over the years, some of the animals escaped from captivity. And when market