This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This attraction was abandoned after the Chernobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The dining hall that nourishes workers in Chernobyl's Exclusion Zone is also open to visitors.

This derelict superstructure was a very important warning system for the Soviet military.

This massive underground salt mine now holds a sci-fi theme park in its depths.

A small town Romanian cemetery filled with darkly humorous gravestones.

A memorial museum to the political prisoners who were held at Sighet Prison, once one of the most feared places in Romania.

A spooky spot along the road where things mysteriously seem to move uphill by themselves.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

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

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

Romania's triumphal arch looks out over Bucharest.

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."

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

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

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

360° views of the city plus five floors of optical illusions and hands-on science.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A six-ton wedding present for the King of the Scots.

The final resting place of soldiers' loyal canine companions.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.