Metal horses galloping through a London fountain provide a link to the city's past.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

In 1977, an eccentric book lover formed a micronation for book lovers.

The western face was supposedly left clock-less to snub the Welsh.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A statue honoring a preeminent 19th-century dandy and important figure of men’s fashion.

Over several decades, one of London’s most iconic city gates was dismantled, moved out of the city, and then moved back.

For more than half a century, an enormous feline has watched over this London neighborhood.

Named for a doctor who made a breakthrough in London’s cholera epidemic, this 1800s pub was also the site of a queer “kiss-in.”

This tribute to the fictional detective stands at the famous literary character's address.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

An exotic wildlife habitat right off The Strip.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

These remnants of Old London Bridge possess unique acoustics that allow for whispered conversations to carry from one side to the other.

The first regular high-definition TV transmissions were made from this seemingly out-of-place mast located on one corner of a Victorian-era entertainment venue.

An inverted staircase above the entrance to the Bethnal Green Underground Station functions as a memorial for people who lost their lives during the worst civilian disaster in the U.K. during World War II.

London’s first road overpass is so old that it was originally built for horse-drawn carriages.

At almost 1,000 years old, this is the oldest known door in all of Britain.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

The taxidermied remains of a once-great parrot.

Hear the quietest sound from across the dome.