Baroque celebration of the end of the Great Plague of Vienna.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A mocking tribute to the past and modern leadership of Prague.

Monument to a suicide protesting the Soviet invasion.

An open-air sewer system that was covered piece-by-piece over 300 years.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

Europe's largest prehistoric mound – burial site of a legendary king?

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

This historic black and white monastery is one of Bulgaria's architectural jewels.

Said to be the only museum in the world dedicated to the most classic of all blooms, the rose.

France's most famous cemetery, with some of its most curious tombs.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

This hilarious English intersection is an automotive whirlpool.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.