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 snug medieval lane is one of the narrowest streets in the world.

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

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

This metro station doubles as an unintentional paleontology museum.

After sitting unused for decades, this abandoned communist infrastructure became a wildlife utopia.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Romania's triumphal arch looks out over Bucharest.

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

This once-derelict building is now one of the most beautiful bookstores in the world.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

A quasi-futuristic roof sits atop a medieval Bohemian monastery damaged during World War II.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

A Baroque mansion with ties to legendary magicians and alchemists.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

A church of bones, decorated with 40,000 human skeletons.

An enormous and lavish Gothic church in Czechia.

Be(w)ar(e) the moat around this historic Czech castle.