A medieval castle in the middle of rural Texas.

Though difficult to access, this stunning cave has a place in Scotland's poetic history.

This large neolithic tomb, also known as Greengraves, is hidden off a Northern Irish road.

Wander around the extensive remains of this 12th-century medieval church.

Warm water springs inside an astounding canyon.

The second smallest castle keep in England.

This Paleolithic cave may be the oldest cemetery in North Africa.

Reaching this rock formation involves a hike through rocky rapids and springs where wild turtles reproduce.

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

One of the few places to grab a beer in Fez is a former British consulate.

Enjoy fresh-baked bread and fish from a repurposed Portuguese fortress.

The designated Jewish quarter in Fez dates back to the 15th century.

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

Morocco's largest Jewish cemetery.

The legacy of a Moroccan Jewish community is remembered at this little mouldering cemetery.

One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

A mud brick kasbah with a history of lavishness and traitorship.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

This former royal palace with gorgeous gardens became the first museum in Morocco.

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

A mythical garden that once grew the golden apples of wisdom is said to have existed in this ancient Moroccan city.

The true depths of these stunning Moroccan caves are unknown.

Vast stretch of tide-pools with a unique Moroccan charm.

Crumbling necropolis set high above Fez.