London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

Artists and musicians now rule over this former rail station.

Scattered throughout London are ancient remnants of the city's former bounding wall.

London's smallest police station is barely the size of a phone booth.

This 1920s Dutch barge is now a floating bookstore.

Hear the quietest sound from across the dome.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Eighty million natural history specimens call this gargantuan museum home.

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

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

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

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

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

A quaint miniatures museum that turns its focus towards the lives of Americans in a simpler time.

Its floors are marked by colorful cues depicting Michigan's native fauna.

Home to over 300 antique cars and motorcycles, including Thomas Edison's Model A.

Perched atop a brick smokestack, this enormous lug nut symbolizes the local minor league baseball team.

Everyone's invited to put on a miniature concert with this world-class musical wonder.

The origin of the Nixon tapes is rooted in technological incompetence as much as secrecy.

In Grand Rapids, Michigan, a marker honors the creation story of a proud fictional culture.

Taxidermy and miniatures come together to create this unique museum.

The plants form a living library and laboratory for researchers and students at Michigan State University.

At HopCat, a marker honors fictional creatures with the ability to travel the missing dimensions of Kcymaerxthaere.