Mysteries at the Museum

E1. Alcatraz, Enigma Machine, Fiji Mermaid, Apollo 13, Dymaxion House, Real Mona Lisa

Did homemade heads help destroy the reputation of Alcatraz prison? How did the Enigma machine help to win World War II? And is the Walters Art Museum in Baltimore the actual home of the Mona Lisa?

E2. Smilodon, Boeing B-29 Superfortress "Bockscar", Cardiff Giant, Train Disaster, Roswell UFO Crash, George Washington's Dentures

Does a prehistoric "monster" provide clues to an Ice Age puzzle? Is an odd wooden figure the explanation for a 60-year-old mystery or the key to a government cover-up?

E3. Patty Hearst, Mastodon, Humboldt Squid, Manhattan Project, San Francisco Earthquake, Ellis Island

What does a vintage fire engine tell us about what really destroyed San Francisco after the 1906 earthquake? Does a 10,000-year-old mastodon skeleton reveal a shocking story of greed and murder inside one of our nation's most esteemed universities?

E4. Harry Houdini Bust, Richard Byrd Expedition, Japanese Secret Weapon, "NOW" Protest Flag, Lizzie Borden, Adlai Stevenson's Briefcase

Did the Japanese send weapons of mass destruction to the US mainland during World War II? Is a statue of illusionist Harry Houdini haunted? Does an old hatchet hold the key to one of the nation's most sensational unsolved murders?

E5. Bonnie and Clyde Rifle, Iwo Jima Flag, Aerotrain, Anglerfish, Frederick Cook Diary, Joseph Kittinger Harness

Bonnie and Clyde's Gun - The Iwo Jima Flag - The Aerotrain 1955 - The Deep Sea Anglar Fish - Who reach the North Pole First - 1960 100,000 feet parachute Trial.

E6. Spruce Goose, T-Rex Skeleton, President McKinley Nightshirt, Art Heist, Johnstown Flood, Slinky

Artifacts include the "Spruce Goose" aircraft, a T-Rex skeleton, President William McKinley's torn nightshirt, empty picture frames from an art heist, a watch from the Johnstown flood, and the invention of the Slinky.