The fairy tale castle of the "fairy-tale king."

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Ancient snack bar of the Roman Empire re-opened.

A sulfuric hellscape in southern Italy.

Virgil's many-mouthed gateway to the underworld.

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

These "anatomical machines" are only one of the many strange items in this Italian crypt.

A Nesting Doll of Churches.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

A spectacular cave and a beguiling lake.

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

The most visited, and possibly most controversial, museum in Germany.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Twisted buildings adorn the banks of the Rhine river.

This "floating railway" is one of the world's oldest monorail systems.

Take a walk in a recreation of ancient Rome.

A miniature city, once ruled by the Queen of the Netherlands.

The largest 19th century panorama in the world still in-situ.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Largest lake in Great Britain measured by surface area.

For the holidays, the tallest broadcasting tower in the Netherlands turns into one of the world's tallest Christmas trees.