Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A mysterious artist-run cabinet of curiosities and library.

This 1920s Dutch barge is now a floating bookstore.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This delightful little museum is dedicated to only one thing: pasta.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

Seven early Christians were sealed into a cave where legend has it they slept unharmed for centuries.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

A marvel of Byzantine engineering under the streets of Istanbul.