Baroque celebration of the end of the Great Plague of Vienna.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The topiary maze at the Habsburg hunting lodge.

Architectural monsters are devouring this palace's every door and window.

The graveyard with the highest IQ in Britain.

A mysterious demonic figure peers down from its perch within the gorgeous Chester Cathedral.

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

The Pope’s secret escape route.

A Nesting Doll of Churches.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A fairy tale castle in modern Rome.

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