Arizona Man Purchases Home And Discovers An Underground Hatch In Backyard

Making It Look Presentable

Sims estimates that it was filled in at some time between the late 1960s and the mid-1970s, a period of relaxing of political tensions when the U.S. pursued arms limitation treaties with the Soviet Union.

The More You Know

The population of the United States increases by one person every 12 seconds.
Parts of the Great Wall of China were made with sticky rice.
During the first 5 months of Pokémon Go, gaming-related accidents increased by 26.5%.
The speed of a computer mouse is measured in "Mickeys."