Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

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

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

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

An ancient knight and a symbol of the city's freedom.

A small statue of child Jesus given by Magellan in 1521

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The castle still holds traces of the abandoned Roman fort it was built atop.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

An enormous and lavish Gothic church in Czechia.

A church of bones, decorated with 40,000 human skeletons.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

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.

A striking depiction of Teotihuacan's mysterious "Spider Woman."

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

This pre-Hispanic apartment complex also includes ancestral paintings that point to its military past.

The statue honors an adventurous seafaring cat.

Go surfing on this urban wave, "hacked" by local surfers.

An ancient Egyptian temple in the middle of Madrid, Spain.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.