This informative map shows the areas of the United States with the most reports of UFO sightings. The data was compiled by ...

The United States satellite images displayed are infrared ... of gaps in data transmitted from the orbiters. This is the map for US Satellite. A weather satellite is a type of satellite that ...

These 20 maps offer an overview of the economy ... Who is the richest person in every state? The United States is home to nine out of the top 10 richest people in the world, according to the ...

The Current Temperature map shows the current temperatures color ... In most of the world (except for the United States, Jamaica, and a few other countries), the degree Celsius scale is used ...

An curved arrow pointing right. The citizens of the United States have elected 44 presidents in 57 elections since the Constitution was adopted in 1789. Since the Civil War, presidential contests ...