Elaborate mansions built by Roma residents in Soroca to show their success after centuries of discrimination.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

An ancient necropolis of magnificent tombs.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

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

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

This lurid German fountain plots the sad course of marriage from dating to death.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

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

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

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

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

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

The celebrated eyesore created by starry-eyed sweethearts.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

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

A series of abstract, silly sculptures represent the works of a great modern classical composer.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Featured in one of the most iconic scenes in cinema history.

This underground transport hub doubles as an art gallery.