Leopold and Loeb, U2 Spy, Chewing Gum

Don Wildman examines a revolutionary plow that sowed the seeds of a terrifying disaster, a primitive plane that challenges the history of flight and a deceptive coin that's designed to kill.

Travel Guide

Find restaurants, accommodations and activities from this episode.

Mysteries: Chewing Gum and U2 Spy Pictures

Don Wildman examines a strange substance that was first used ...

One Man's Brave Choice

Learn about US pilot Gary Powers - suspected of defecting ...


The Fathers of Flight?

Were the Wright brothers really the first to fly?


The Find of the Century

Did medieval knights beat Columbus to the New World?


The Invention of Chewing Gum

Thomas Adams creates a multimillion-dollar industry.


More Travel Inspirations

HGTV Urban Oasis
HGTV Urban Oasis 2014

Enter daily for a chance to win a grand prize worth over $1.5M, located in Atlanta.

Food.com App
Sign Up for the Thanksgiving Newsletter

Get the essential Food Network email featuring time saving tips, recipes and how-to videos.

Food Network Back to School
Food Network's Back to School Recipes

Win over the kids with these easy, time-saving dinners the family will love.