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

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

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

This magnificently macabre shield shows the power of chivalrous love in medieval times.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

A relic from ancient Egypt that is purported to have a curse associated with it

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

An oddity of a bygone era that stills functions today.

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

A living lighting fixture.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

These stained-glass windows are all that remains of a building that was the target of one of the biggest explosions in London after World War II.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

The world's largest collection of ship figureheads includes figures from legends and history alike, from Sir Lancelot to Abraham Lincoln.

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

A lasting remnant of the London Blitz.

This sanitized yet surreal depiction of a Greek fertility god looks over a square in one of central London’s residential areas.

Once the site of speeding horses, now home to picnickers and public concerts.

This historic roadhouse has many tales to tell of San Francisco's early history.

A quiet marker in memory of local men and women lost in WWI.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.