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.

This commemorative stone was erected near the first Scout campsite.

A local museum honors the overlooked discoveries of Mary Anning, one of the first professional fossil hunters.

A popular day's outing in Bovington consists of watching military tank driving practice.

The world's only managed flock of mute swans was established as a factory for monk meat but is now an adorable sanctuary.

This tiny town features a tiny town that acts as a 3D snapshot of the town during the 1950s.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

Legend says the people of Wiltshire got their "Moonraker" nickname from this small pond.

This ancient fort overlooks the site of a disastrous retreat from the English Civil War.

This strategically placed hill fort has served defensive forces from the Iron Age up until the 20th century.

Ancient human remains unearthed around the iconic monument.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

The first archaeological site discovered by aerial photography.