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

Kissing the ass of this stone lioness has become a rite of passage in the city of Girona.

Designed by Gustave Eiffel before his famed tower.

An ancient necropolis of magnificent tombs.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

One of the shortest streets in York has an especially odd name.

A century-old tradition has culminated in a small but singular collection of feline effigies.

This network of narrow, medieval passages has the most delightful name.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A series of playful yellow penguins share a serious message about the environment.

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

This bridge was constructed from the rubble of the infamous Bastille.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The red letters in the literary pavement leading to the library form a mysterious code.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

This astronomical clock is the second oldest in England.

The oldest residential street in Europe also features an optical illusion.

It commemorates one of the world's earliest telegraphs.

The remains of a Dominican friary, once one of the largest of its kind in the United Kingdom.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.