A memorial for public executions that dates back to the 14th century.

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

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.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A pair of club-wielding guardians stand watch over London's first public clock to feature a minute hand.

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

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

This medieval castle is filled with an eccentric collection that ranges from ancient Egyptian artifacts to taxidermy to a mummified hand that was cut off during a duel.

Does being buried standing up help you get into heaven faster?

This imprint of an old computer keyboard has a unique backstory.

A 16th-century footpath said to be haunted by a young girl that died trapped within its misshapen old house.

One of the oldest bridges in Norwich was used during the English witch trials and is said to be haunted.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

The world's most elegant power lines.

The world's largest wooden structure.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

The final resting place of the great navigator, or maybe his brother.

The hairpin turns in this mountain road take the shape of a letter—is it a coincidence or a symbol of love?

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A tiny church on a man-made island in the Adriatic.