Estimated to be more than 5,000 years old, this yew may be Britain’s oldest.

The only natural gorge in metropolitan Tokyo, with lots of greenery and ancient burial chambers.

A mysterious concrete hand reaches out from between the stones of Uniwersytecki bridge.

This lesser-visited World Heritage site in Athens boasts an impressive ensemble of medieval gold mosaics.

Around 30 ship figureheads are housed at this 11th-century abbey and gardens.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This neolithic stone was once used for ceremonial practices similar to its neighbor Stonehenge.

The ruins of a world-renowned medieval hospital.

Smack-dab in Campania’s volcanic fields, this scenic lake was once thought to be the gate of hell.

The long-lost final resting place of an accused witch.

A cornucopia of gargoyles adorns the oldest portion of Oxford’s Magdalen College.

This modern artwork, inspired by the Bayeux Tapestry, tells Battle's early history following the Battle of Hastings and the Norman Conquest.

Local legend says a monk brought Christianity to Bornholm through his sermons in a cave inside this free-standing rock.

This church is home to a 1,600-year-old tree, but also a mysterious carved figure who may have been a pagan idol.

On the side of Christchurch Mansion is an enigmatic block of dark limestone that dates back to 14th-century Belgium.

This house certainly has a unique decor.

This cave in the heart of La Mancha is full of esoteric secrets.

This small village claims to be independent from Italy because it was left out when the nation was unified.

Legend has it these caves were created by a deity called Ogba, who is said to live inside the winding subterranean caverns.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Tradition says that William the Conqueror dined on this stone after landing his Norman invasion fleet nearby.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

A dad joke was inevitable when a member of this 19th-century chocolatier family married the president of France.

More than 500 years after his death, a medieval ruler's remains were found buried under a parking lot.