Now home to a drinking establishment, this building has a macabre history.

An unusual round church in London with a Templar past.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

The first KFC is on the National Register of Historic Places.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

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

Neon artworks light up this dark Edinburgh tunnel.

The location of a citizen uprising that led to a gruesome act of mob justice.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

Home of the only civilian casualty at the Battle of Gettysburg.

A rare and unique example of an 18th-century door latch calls this restaurant home.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

The world's first experimental nutritionist is memorialized as the "Hippocrates of naval medicine."

This extraordinary Viking artifact has traveled throughout the city.

Try not to get slimed in Tribeca.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

The commemorative stone column conceals a secret laboratory.

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

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

Although he donated over 3,000 acres to Los Angles, Griffith's life was marred by controversy.

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