One of the most elaborate displays of Jellyfish is on display at the aquarium.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Pompeii's less famous neighbor is still revealing her secrets.

Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.

10,000 flowered plants bloom in the City of Roses.

A crumbling hospital from the 1850s on Roosevelt Island.

Former hunting lodge of a duke who was an avid collector of impressionist works.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

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

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

Copenhagen's celebrated theme park and gardens.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Old Danish castle immortalized in Shakespeare's Hamlet.