"The prettiest love letters in the world" ... or so said Lord Byron.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

A British Commonwealth cemetery in the heart of Milan, with 421 allied soldiers died during World War II.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

The last bastion of Roman presence north of the Alps looms over a German town.

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

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

In this German city center, the streets have no names.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

The Slovenian architect designed many landmarks in the capital city, including his own dream house.

This one-time health resort was used by aristocrats around the world.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

Pompeii's less famous neighbor is still revealing her secrets.

A rococo room covered entirely in porcelain originally constructed for another royal residence.

A submerged archeological park still holds the wonders of a Roman Sodom.

Its look is severe, but its location, isolated on a hill in the middle of the countryside, is particularly scenic.

Geometry and mystery come together in an epic show of octagonal masonry.

Though an earthquake destroyed this village in 1980, one former resident still walks its streets every day.

Nestled in the heart of Milan is a real wunderkammer of morbid curiosities.

These four fountains are said to have healing properties, with a glass of the 'miracle' water being given to Louis XII of France.