Small on the outside, big on the inside, this church is an astonishing act of visual deception.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

Two plaques commemorate the site of Shakespeare's first theatre.

Hear the quietest sound from across the dome.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

An incredibly well-preserved piece of ninth-century Viking poop.

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

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

Follow the original medieval paths that wind through this intriguing section of the city.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

The oldest inn in England served brew to the crusaders.

The tower was originally used as a chimney for the waste incinerator of St Johns Precinct and Market.

This Victorian graveyard in Leeds is a macabre collection of beautiful tombs and memorials.

The bizarre headgear looks like it was made for a fool, not a king.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

The sign at the garden gate reads: “These Plants Can Kill.”

Granting the right of way to ships over surface traffic since 1917.

A 1,000 pound brass bell commemorates a time when this small maritime neighborhood was actually its own separate city.

This unique Seattle structure was designed to be the greenest commercial building on the planet.