An architectural oddity hides in plain sight on this iconic London bridge.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

Decrepit Victorian public lift is a white-knuckle ride.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

A six-ton wedding present for the King of the Scots.

The ritual has been performed uninterrupted for nearly 700 years.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

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

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

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

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

The ornate structure is part of a building boasting more marble than the Vatican.

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

This king penguin is a knighted brigadier of the Norwegian Army.

A quiet memorial to those who died saving others in the heart of the City of London.

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

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

The most loyal of little dogs, or a Victorian era publicity stunt?

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

Glasgow’s piece of the patron saint of love.