The etchings on this narrow channel between two islands bear witness to maritime travelers who have passed through since the Middle Ages.

Hidden deep in a forest is this geological wonder carved by glaciers.

Every summer, an open-air swimming pool appears at the base of a Finnish city's beloved winter attraction.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

The city walls of Salé lead to the ruins of this seaside "bastion of tears."

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

Mausoleum and Holy Seat of Antiochus I of Commagene.

Balanced on four stone pillars, this historic tower was the site of a tragic political assassination.

A beautiful 19th-century Armenian mansion is preserved above an unassuming cafe.

Huge stairway leads to this massive gallery.

This no man's land slicing through the island is strewn with abandoned relics of another time.