This modest marker near Notre Dame identifies the very center of Paris.

The narrowest street in Paris.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

Ancient human remains unearthed around the iconic monument.

Famously misunderstood wonder of the ancient world

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

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

The bronze uniforms commemorate the vital role of women during World War II.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The ritual has been performed uninterrupted for nearly 700 years.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Hear the quietest sound from across the dome.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

This astronomical clock is the second oldest in England.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

A small shrine dedicated to a god of lightning and electronics.

This 700-year-old street food market features baby octopus and soy donuts.

The 10,000 Torii shrine.

Next door to Tokyo DisneySea is a giant sculpture created by Taro Okamoto symbolizing the dynamism of life.

A Japanese concept restaurant that feels like a party thrown by the monsters in your closet.

This monument celebrates this shopping district's past history as a feudal silver mint.

The tallest city hall in the world offers an excellent bento box.