"We've known for a long time that modern humans originated in Africa roughly 200,000 years ago... but what we hadn't known until the study was where exactly this homeland was." Joachim Huber/FlickrA new study suggests the common ancestors of modern-day humans came from Botswana. Each individual human being has a unique ancestral history, but a group of researchers set out to answer the ultimate question: Where do all humans come from?

When doctors told Dr. Scott-Morgan that he would be dead by the end of 2019, he was determined to prove them wrong.TwitterThe British roboticist was told he would be dead by the end of 2019. He had other plans. In 2017, Dr. Peter Scott-Morgan was diagnosed with a motor neuron disease (MND). He was told that his muscles would wither away, and that he’d likely die by the end of 2019.

Believe it or not, no injuries or deaths were ever reported from baby cages.British Pathe, YouTube In 1884, Luther Emmett Holt wrote of the importance of “airing” out babies in his book, The Care and Feeding of Children. This claim resulted in what is perhaps one of the strangest inventions to come out of the 20th century: baby cages. Holt intended for his text to be used as a manual for nursery aides and mothers in need of helpful pointers when it came to, well, caring for and feeding their children.

Originally known as ‘The Death Strip’ for the many individuals’ fatal, failed escape attempts over the wall, the stretch of wall on the West Side is plastered with spray paint. After part of the Wall was reconstructed in the 1980’s to ascend 14 feet into the sky, artists began to graffiti it, with most of the work remaining anonymous. On the other side, the East Side Gallery showcases large murals which refuse to forget the tragedy of the Wall that tore families and friends apart.

While today’s Republican Party may not be known for its environmental conservation efforts, the national park system was actually established under Republican President Ulysses S. Grant. The program would later be expanded under conservationist, hunter, Bigfoot storyteller and Republican President Teddy Roosevelt. It literally takes an Act of Congress to create a national park, and criteria for selection includes natural beauty, unusual ecosystems and unique geological features. There are 59 parks in the United States, but the ten featured here provide some rare experiences.