Bigfoot, the chupacabra, and thunderbirds aren't just figments of our overactive imaginations—according to thousands of eyewitnesses, they exist, in every corner of the United States. Throughout America's history, shocked onlookers have seen unbelievable creatures of every stripe—from sea serpents to apelike beings, giant bats to monkeymen—in every region. Author, investigator, and creature expert Linda S. Godfrey brings the same fearless reporting she lent to Real Wolfmen to this essential guide, using historical records, present-day news reports, and eyewitness interviews to examine this hidden menagerie of America's homegrown beasts.