100 year tradition of fist fights, marked by marble footsteps.

The only museum with its curator—and her pets—buried inside.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Hanging within this medieval church are the bones of a beast allegedly slain by a fourth-century saint.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

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

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

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

The Tudor-style cottage in the middle of the square is not quite what it seems.

The fences outside some of South London's estates are made from recycled World War II stretchers.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

Ship-sized kinetic sculptural fantasy.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

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

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.