This hidden Art Nouveau courtyard is an opulent feast for the eyes.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

This building has survived for more than a century and remains virtually untouched.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

A Milanese café entirely designed by the American director Wes Anderson.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

A brutalist gem towering over the heart of Milan.

This medieval church in Rome was almost destroyed following a terrorist attack in 1993.

According to local folklore, this Roman sepulcher was once a throne for the Devil.

An omelette made with over 1,000 eggs may have been prepared when Holy Roman Emperor Charles V visited this monastery.

The only visible remains of this ancient Greek underground temple is its roof protruding from the earth.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.