Explore the complex ecology of this multifaceted nature preserve by riverboat.

A museum honoring Germany’s cucumber mecca offers a great dill of gherkin history.

Ruins of a German castle on top of a towering stone pillar.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

Monument to a suicide protesting the Soviet invasion.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

A museum dedicated to secret surveillance.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

This classic restaurant features a gorgeous mirror-clad room.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

Tiny memorials honor individual victims of the Holocaust.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Super-heavy Nazi architectural experiment.

A towering monument to war, located on a beautifully peaceful hill.