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.

This sculpture honors the man who was known as the "Righteous Among the Nations."

Central Europe's largest collection of mini-bottles is on display at this museum devoted to a bitter Hungarian liquor.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

A Hungarian pharmacy museum with a box full of mummy powder.

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 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

Physicist’s epitaph provides final confirmation to a career of turmoil.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

Goethe's "Faust" was inspired by these rock formations known as the "Devil's Pulpit" and "Witches' Altar."

The man who gave his name to magnetic measurement is buried in the city where he did his best work.

The most visited, and possibly most controversial, museum in Germany.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A Museum of Psychiatry in a still-operating mental institution.

You would never come across this tiny green oasis if you didn't know it existed.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

Modern art commemorates one of the first military actions of World War II.

The site of the first battle of World War II.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

A haunting deserted hotel is a favorite with artists and photographers.