This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

The most loyal of little dogs, or a Victorian era publicity stunt?

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This small museum in a 17th-century building honors three iconic Scottish writers.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Giant, friendly pelicans in Central London, the most unlikely of places.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

142 ceramic steps become a mosaic once a year.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Italian cave with exceptional acoustics and an unsavory history.

The world's most active stratovolcano is almost always erupting.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

A miniature view of the park, caught in time.

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

Standing in for the first ship to navigate the Northwest Passage.

The haunting ruins of Jack London's dream house.

'Cause the fence start shaking, the earth was quaking.