Check out engineering marvels of the past at this unintentionally retrofuturist museum.

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

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

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

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

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

A monolith stands at the site of the most significant battle ever fought on British soil.

After public executions took place at this location, attendants would also attend a local horse race.

England's largest white horse isn't even white.

Astonishing rock formations dot the Brimham Moor landscape.

At 22 feet tall, these Bronze Age monoliths are some of the tallest standing stones in the United Kingdom.

This small red school was where Germany signed their surrender during WWII.

The famous winding walk at Chartres is surrounded in mystery and myth.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

His "Lionheart" is entombed separately from the rest of his body.

The final resting place of England's most notorious bandit.

Cycle the solar system—from the sun to Pluto—right here on earth.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

The Adriatic's most famous wind can be reliably experienced in the city's Marina.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

A deserted medieval village where bodies were once mutilated to prevent them rising from the dead.

A Reformation-era fiery figurehead once denoted this location as a print shop.