Investigations
Map
The History Detectives have traveled the length and breadth of the country, delving into family legends, local folklore and stories behind potentially extraordinary objects in everyday American homes, cities and small towns.
Browse the investigations on the map and see what we've revealed in your area.
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Investigations
Frank Zappa Collage
Is the artist who created this piece Frank Zappa?
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Investigations
Alcoholics Anonymous Letter
Is this letter proof of one man's contribution to this secretive society?
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Investigations
Lindbergh Engine
Could a 24-year-old have single-handedly built the engine for Lindbergh's plane?
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Investigations
Cromwell Dixon Plane Fragment
What could this faded scrap of fabric tell us about the first pilot to conquer the Continental Divide?
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Techniques
Document Examination
How to determine authenticity and authorship of a document.
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Techniques
Photographs
Learn how to analyze your photographs.
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Investigations
Fillmore Pardon
Did President Fillmore pardon a Native American convicted of murder?
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Techniques
Genealogy - Glossary
A list of useful words to know when using genealogy.
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Investigations
Korean War Letter
What does this letter reveal about a forgotten act of heroism during the final days of the Korean War?
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Investigations
Calf Creek Arrow
Is this arrow found in a bison skull just another hoax or an incredible archeological discovery?
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Techniques
Case File: 20 Questions
Read this case file to help get your investigation started.
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Techniques
DNA Analysis
How to prove a person's identity.
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Investigations
Movie Palace
Is this small Wisconsin town theater the country's first great movie palace?
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Investigations
Civil War Cannon
How did the contents of this glass tube impact the first hours of the Civil War?
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Investigations
WWII Patch
What is the story behind these patches?
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Investigations
Nesbit Portrait
Is this portrait a lost masterpiece by one of America's greatest artists?
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Investigations
King Kong Camera
Was this old movie camera used to film the original version of King Kong?
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Techniques
Appraising
Getting a valuation using an independent source or expert opinion.
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Techniques
Patent Analysis
Find out the origin and detail surrounding an invention or innovation.
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Techniques
Stones And Minerals
How to study stones and minerals.
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Investigations
Shippen Golf Club
Was this the golf club used by John Shippen when he made sporting history in the 1896 U.S. Open?
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Techniques
Finding Experts
How to source the correct expert to assist in an investigation.
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Techniques
Archives
Learn how to successfully use archives for your research.
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Investigations
Superman Sketch
Is this a WWII sketch from the early days of this comic icon?
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Techniques
Stones And Minerals - Checklist
Printable checklist to use when studying stones and minerals.
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Investigations
Napolean's Sword
Did Napoleon bestow this sword as a gift to a brave ancestor of a St. Martinville family?
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Techniques
Preservation - Checklist
Printable checklist to use when preserving an item.
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Techniques
Historical Research
It's your turn to be a History Detective.
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Techniques
Ballistics
Collecting clues and evidence from bullets and firearms.
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Investigations
U.S.S. Thresher
Do these documents disclose information about U.S. secret weapons in the Cold War?
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Techniques
Analyzing Art - Checklist
A printable 'To Do' list for analyzing art.
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Techniques
Military Research
Using military records in your research.
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Techniques
Very Old Objects
How to discover fascinating history, from very old objects.
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Investigations
Lookout Mountain Painting
What can this painting tell us about a turning point in the Civil War?
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Techniques
Building Background
Discover more about a building's history.
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Investigations
Drone Propellor
Could this propellor have powered a top secret weapon that transformed modern warfare?