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

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

A naturally mummified 2,000-year-old man.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

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

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

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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

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

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

This ancient Egyptian obelisk still bears the wounds of World War I.

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

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The medieval-looking hammer beam teak roof may be a Victorian vanity, but it's still absolutely magnificent.

Huge winged monument in the United Kingdom.

Public art now takes pride of place on the site of one of County Durham's last deep coal mines.

For decades, a bottle factory dumped their waste into these waters—now it's considered the best sea glass beach in England.

Locals affectionately dubbed this World War I memorial "Tommy."

Discovered on a shipwreck after more than 400 years, this Renaissance ratter tells a very waggly tale.