Tiny memorials honor individual victims of the Holocaust.

Cold war icon and onetime "hole" in the iron curtain.

One of downtown Berlin's last reminders of its Communist past.

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

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

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

A whimsical bridge adorned with decorative dragons.

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

A World War II evacuation tunnel turned into a history display of Croatian state and people.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

This Transylvanian church has changed its denomination four times.

Something's watching you.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

A rare memorial paying homage to an altruistic woman from the 19th-century.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.