An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

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

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

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.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Morocco's largest Jewish cemetery.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Numerous impressive carvings are embedded in the trees lining this street in Marrakech.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

The Nobel-Prize-winning author of The Stranger is buried beneath a simple gravestone in a sleepy French village.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

The first park built over a freeway is a brutalist masterwork.

A beautiful final resting place for some of the noteworthy deceased.

This former coal gasification plant found a curious second life as a popular public park.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.