This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

The oldest continuously occupied public building in the United States.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

One of the most photographed locations in the entire city.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A museum wholly devoted to juvenescence.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

Black cat statues guard this temple-like Egyptian revival factory.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The broken skateboards that became a poignant memorial to a murdered skater.

This ancient Egyptian obelisk still bears the wounds of World War I.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

Public access to clean drinking water was an instant hit among the masses.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

This plaque in one of London's oldest public hospitals commemorates the first meeting of two of Britain's most famous literary heroes: Sherlock Holmes and Dr. Watson.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."