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Smygehuk, Sweden
Smygehuk Fyr
55.3386, 13.3528
Madrid, Spain
Commercial Signage on the Façade of Gruta 77
40.3909, -3.7314
Gainesville, Florida
Lubee Bat Conservancy
29.8261, -82.3409
Lansing, Michigan
Deadtime Stories Books & Gifts
42.7207, -84.5526
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Where to See the World’s Most Famous Preserved Body Parts
Atlas Obscura’s Guide to America’s Most Haunted Cemeteries
It All Comes Together in Chattanooga
Sponsored By Chattanooga Tourism
The Best Haunted Hotels to Book for a Spooky Getaway
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34 Items Tagged
Codes
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Inverness, California
KPH Maritime Radio Receiving Station
An enchanting tunnel of cypress trees leads to an old morse code station still used today.
Liverpool, England
Liverpool Central Library Entrance Riddle
The red letters in the literary pavement leading to the library form a mysterious code.
games
How Many 9-Letter Words Can You Make With Airport Codes?
Perth + Chattanooga + Nice = PERCHANCE
music
With Musical Cryptography, Composers Can Hide Messages in Their Melodies
By mapping notes to letters, some musicians sneak secret words into tunes.
manuscripts
Where Old, Unreadable Documents Go to Be Understood
A transcriber on the Isle of Man can decipher almost anything.
Gastro Obscura
The Zombie
Donn Beach wrote the recipe for his famously potent cocktail in secret code.
Washington, D.C.
Legislative Bell System
An ear-piercing buzzer calls lawmakers to a vote with a series of long and short rings to form coded messages.
sacred spaces
Found: The Hidden Message in a 1676 Letter Allegedly Dictated by the Devil
Code-breaking software deciphers a strange missive penned by a 17th-century nun.
literature
Beatrix Potter's Greatest Work Was a Secret, Coded Journal She Kept as a Teen
It took a dedicated superfan 13 years to translate it.
printing
How a Blind Doctor's 'Moon Code' Helped Thousands Read Again
In the 1840s, Dr. William Moon remade the Roman alphabet to help his students.
Wellesley, Ontario
Bean Puzzle Tombstone
It took over 100 years to decode this enigmatic epitaph for two buried brides.
infrastructure
How to Decode the Hidden Secrets of Havana's Streets
Hand signals, street signs, color-coded uniforms, and more.
cars
The Hidden Meaning of Political Bumper Stickers
What does the slogan on your car say about you?
victorian
How Flower-Obsessed Victorians Encoded Messages in Bouquets
Victorians used flowers a lot like we use emoji.
mathematics
The Strangely Perplexing Problem of Communicating Numbers Out Loud
Eight-six-seven-five-three-oh...something.
Dresden, Germany
Dresden Codex
To the great disappointment of doomsdayers, this codex merely contains records of the Moon and Venus.
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