Ancient paintings known as the "Sistine Chapel of Cave Art."

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

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

This amazing oasis of art and plants is hidden on the outskirts of Marrakesh.

Picturesque intersection of witchcraft and ancient Christianity.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The stunning interior of this Gothic church is covered in ornate gold details.

A small but charming botanical garden that contains many exotic plant species.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

Iron Age runes and ruins hide in plain sight along this Portuguese beach.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

One of the greatest maze designer’s greatest mazes.

A suspended footbridge allows for traversing this gorge carved through the French Alps.

Explore an eerie, abandoned medieval citadel.

The evocative ruins of a medieval village.

This impressive chasm is one of the longest natural underground cavities in the world.

A quarry cum sculpture park where the works of art are chiseled into the very walls.

Fighting the British and making game shows for over 150 years.

Perhaps the most spectacular grotto along the Algarve coastline.

The largest underground church in Europe.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

Personal garden filled with mosaics made of recycled garbage.

An enchanting work of outsider art, full of whimsical sculptures and carvings.