Island wonderland for communist autocrats.

The Renaissance-era courthouse is a relic from the fortified town's centuries of Venetian rule.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

This chimerical bridge/tunnel appears to dead end right into the sea.

Nordic giants resurrected from the sea and restored to their former greatness.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

The ruins of a monastery where Saint Bridget of Sweden had her revelations recorded.

This encrypted monolith protected a secret of Norse mythology by hiding in a church wall for over a millennium.

This 18th-century former mosque held the first Hellenic Parliament.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Built by the Ancient Greeks, this chariot bridge is still in use today.

Step inside an ancient beehive tomb built for a mysterious cult hero.

Overlooking the harbor is a beautiful neglected mansion guarded by two Egyptian sphinxes.

This ancient statue of Dionysus lies unfinished and abandoned in one of Greece's oldest quarries.

The ruined doorway is a portal to the building's turbulent and torturous past.

The ruins of this monumental city founded by the first Roman Emperor are strangely overlooked by most travelers.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

An ancient octagonal weather station named for the eight Greek gods of wind.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.