This micro-nation may be some sort of prank, but its constitution sure seems official.

The hallucinogenic center of the ancient world.

This legendary city has been a tourist attraction for centuries.

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

Where commuters walk through remnants of an ancient Greek necropolis.

The final resting place of the great navigator, or maybe his brother.

A small Portuguese cottage formed between boulders in the countryside.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Museum dedicated to the terror regimes of Hungary.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

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

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

The corpse bride of Portugal.

A unique seaside cave where Aleister Crowley faked his own death.

This oddly shaped church resembles a rocket.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”