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.

This statue is the only female representation of Rome's "talking statues."

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A rare example of a medieval house in Rome adorned with a melancholic inscription.

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

Also known as the Temple of Poseidon, this is one of the best-preserved Greek temples in the world.

This curious, round temple is the oldest still-standing marble building in Rome.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.