A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The bones of two medieval royal lions were discovered at the historic fortress.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

The bullet-banged DIY suit of armour belonging to Australia’s most famous outlaw.

The Victoria-era quarantine station for Sydney.

Bomb tests and sheep ranchers share the world's largest military land base.

These bronze sculptures sow whimsy by hamming it up on a pedestrian mall.

An island off the coast of South Australia is home to the last purebred Ligurian bees.

This demon atop the Notre-Dame de Paris looks utterly bored.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

The shape of this old salt factory complex was inspired by the course of the Sun.

A medieval house adorned with enigmatic carvings, including one of a man displaying his masculine attributes.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A long-buried ancient ruin unearthed right in the middle of the city.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.