A preserved block of timber buildings from the city's industrial era in the Middle Ages.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

This 15th century pub is one of only two pubs in England situated on consecrated ground.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

A friendly pub with a sordid past in cock fighting.

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

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

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

The oldest inn in England served brew to the crusaders.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

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

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

A small Montana town commemorates the dog who waited at the train station every day for his owner to return.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

100 years later, they're still down there.

Giant sand sculptures of famous people and places are on display near the Tottori sand dunes.

The oldest Buddhist monastery in Mongolia has survived centuries of invasions, political shifts, and religious purges.