A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

With no menu and no sign, this 130-year-old taverna doles out affordable home cooking.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

Since 1969, this restaurant has served up dishes typical of Istanbul's Greek diaspora.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Tear apart fatty, gently charred lamb chops with your bare hands.

Luminaries of all stripes have sipped strong Greek coffee at this cafe since 1839.

A fairy tale castle in modern Rome.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A forgotten "city of water" underneath the famous Trevi district.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

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

Italian horror legend Dario Argento’s own shop hides a sinister museum-dungeon in the basement.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

Inside this building is another country within Rome, a sovereign entity without a physical territory.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

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

The world's first and only museum dedicated to dachshunds.

A unique bridge with an equally unique view.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

A graveyard and memorial chapel for victims of leprosy.

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

A whimsical art tower at a Bavarian brewery includes a grotto for its mythical beer-brewing dwarves.