1

The Vatican has a collection of archives that date all the way back to the eighth century and can only be viewed by approved researchers holding a master’s degree or higher. Only 60 researchers can be admitted each day.
2

Rhinoceroses are often solitary animals, meaning they only travel with their immediate family. According to recent research by paleontologists, however, their prehistoric North American ancestors—the now-extinct Teleoceras major—gathered in “megaherds” of more than 100 rhinos.
3

In 1925, Anatol Josepho created America’s first successful photo booth—dubbed the “Photomaton”—in New York City. For only 25 cents, the photo booth produced eight photos during a 10-minute process.
4

Hieronymus Bosch’s 15th-century triptych oil painting The Garden of Earthly Delights is considered a masterpiece of late medieval art. Yet the work was largely unknown until the 20th century, when Salvador Dalí cited Bosch as his predecessor in surrealism.
5

America may not have a monarchy, but it’s still home to a royal palace. ‘Iolani Palace was built by King Kalākaua in 1882 under Hawai‘i’s former monarchy and can still be toured today.