Museum dedicated to the terror regimes of Hungary.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

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

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

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

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

This bridge was constructed from the rubble of the infamous Bastille.

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

The celebrated eyesore created by starry-eyed sweethearts.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

2300-year-old Roman road connecting the empire.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

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

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

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

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

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

The prototype for all Nazi concentration camps.

On high feast days, the entire blue-glass front of this modern church opens up to reveal the small wooden church inside.