Table of Contents
Secrets Buried Deep Underground 1
Hidden Temples: The biggest city in North America, buried for 500 years 3
The Place: Mexico City, Mexico
The Big Event: The Spanish Conquest of Mexico (1519-1521)
Buried Sailing Ships: The town built on top of boats 15
The Place: San Francisco, California
The Big Event: The California Gold Rush (1848-1855)
Undercover Soldiers: The cave with an explosive secret 27
The Place: Organ Cave, West Virginia
The Big Event: The American Civil War (1861-1865)
Gangsters Belowground: The little place on the prairie that became a crime hub 39
The Place: Moose Jaw, Saskatchewan, Canada
The Big Event: Prohibition (1918-1933)
The War Beneath: The top-secret machinery that moved a nation 53
The Place: New York City
The Big Event: World War II (1939-1945)
Politicians Deep Down: The resort that hid a nuclear shelter 65
The Place: The Greenbrier, West Virginia
The Big Event: The Cold War (1945-1991)
Time Line 78
Places to Visit 80
Main Sources 81
Further Reading 83
Photo Credits 85
Index 86