The only medieval bridge in Britain with its defensive tower still in tact.

Britain’s highest medieval monastery is a remote ruin nestled at the head of a valley 1,240 feet above the sea.

Detailed sandstone carvings show an array of symbolism and adorable animals.

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

A surreal statue honoring Prague's favorite literary son.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A strange and ancient landscape hides the dark, cavernous remains of a 5,000-year-old flint mine.

Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

Arthur, Merlin, and Guinevere are among the largest and oldest satellite dishes on the planet.

A holy well supposedly infused with a saint's spirit flows within this quaint chapel.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

The largest greenhouse in the world is home to over one million types of plants.

This lighthouse was crafted as penitence for the theft of wine bound for a monastery.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

A replica of one of the most complete mammoth skeletons discovered in England.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

Centuries of human activity have forged an eerie landscape of ruins and craters on an exposed and windswept hilltop.