This sculpture of a rhinoceros suspended above a city square is meant to evoke the weight of the human condition.

This sinister Baroque entryway could lead you to a terrible fate.

This Renaissance square was at the center of Leonardo da Vinci's map, the first ichnographic ever.

It's believed that the dead were once taken out of houses through these now walled-up doors.

At the entrance of this chapel is a fresco commemorating the dead from the plague outbreak of 1630.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

The location where a famous medieval knight was murdered.

An intact, still operating pharmacy from the 18th-century filled with numerous artifacts and paintings.

This splendid tomb may look fantastic, but there's nothing in it...

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

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

A Spanish town built into the cliffs.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Amsterdam's former hotspot for public executions and dissections.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

Europe's official "zero-level," the equator of elevation.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

The mirrored section takes the shape of Hebrew characters when viewed from above.

A beautifully eclectic mix of architectural styles.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

A masterpiece of modern architecture that caused quite a stir in Paris, recreated in Bologna half a century later.