Oriental bazaar in the heart of Sarajevo.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

A war-torn Olympic relic is being overtaken by graffiti and nature.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

Bridge that died in war and was resurected.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

Controversial site of what could be Europe's first pyramid.

The lighthouse is on a island which is connected to another island, which is connected to another island, which is connected to one of the largest islands in the world.

These haunting ruins belong to an ancient village that once had one hell of a view.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

A set of seven houses, each built in a style that represents a European country.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This unattributed sculpture in Amsterdam is hiding in plain sight.

This plaque marks the former home of one of the first women physicians in the Netherlands.

The facade of this bank has changed little over the centuries, including its unique welcome sign.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

The former headquarters of history's oldest megacorporation.

The oldest warship in Europe is still afloat.

Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.

A World War I relic found in the middle of a modern residential area.

Thought to be the oldest Norman crypt in the world.

Remarkable medieval wall paintings decorate this 12th-century, dog-friendly church.