Three bridges and one giant canyon make up this fantastic Spanish settlement.

The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

The final resting place of the great navigator, or maybe his brother.

The world's largest wooden structure.

This architecturally eclectic early-20th century mosque was built as a place of worship for the Islamic followers of a Jewish messiah.

An abandoned Byzantine fortress and notorious prison.

300 years of pharmaceutical history on display.

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A whimsical bridge adorned with decorative dragons.

This abandoned Slovenian military barracks has become a punky-political art squat.

This one-time health resort was used by aristocrats around the world.

A peculiar museum that includes many drunken tales, a drunk driving simulator, and much more.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

This 135-year-old weather station studied the effects of the climate on human health.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

Where the lovelorn find a home for their sentimental keepsakes.

Abandoned Roman Catholic chapel abused by Satanists before being restored.

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

This unique building in the main square stands out among the city's typically Baroque architecture.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.