Top 15 Hidden Treasures in the World that People are Trying to Find sources
https://www.npr.org/2016/03/13/469852983/seeking-adventure-and-gold-crack-this-poem-and-head-outdoors
https://www.washingtonpost.com/news/morning-mix/wp/2017/06/20/a-millionaire-says-he-buried-a-hidden-treasure-a-pastor-just-died-looking-for-it/
https://www.huffingtonpost.com/2014/05/21/hidden-treasure_n_5274647.html
https://en.wikipedia.org/wiki/On_the_Trail_of_the_Golden_Owl
http://www.bbc.com/news/magazine-20964114
https://roadtrippers.com/stories/a-lost-treasure-worth-375-dollars-000-is-buried-somewhere-along-this-river
https://roadtrippers.com/stories/superstition-mountains
https://roadtrippers.com/trips/15752426
http://mashable.com/2014/09/02/buried-treasure/
http://www.cracked.com/article_21375_6-legendary-lost-treasures-that-are-still-up-grabs.html
http://thechive.com/2015/05/18/19-real-life-lost-treasures-that-have-yet-to-be-found-19-photos/
http://www.independent.co.uk/news/world/europe/amber-room-nazis-russian-catherine-palace-st-petersburg-tsar-second-world-war-stolen-treasure-a8008526.html
http://britainexplorer.com/top-ten-lost-treasures-of-the-world/
https://www.nationalgeographic.com/archaeology-and-history/archaeology/el-dorado/
http://ameliaislandliving.com/fernandinabeach/2013/04/amelia-island-treasure-hunters-in-search-of-the-san-miguel-buried-treasure-worth-2-billion/
http://thechive.com/2015/05/18/19-real-life-lost-treasures-that-have-yet-to-be-found-19-photos/