Real bones which are said to have belonged to a Polish dragon.

The ruins of an early-18th-century complex that could once house up to 12,000 horses.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

The oldest known university in the world is in Fez, Morocco.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

The other side is actually green.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

A striking 12th-century-style castle built on the edge of a cliff.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.