Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Giant, friendly pelicans in Central London, the most unlikely of places.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

A historic house left in "dramatic still life."

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

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

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

The history of radiation is on safe display at the foot of a radiation science laboratory.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.