Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

A scattered trail of street art adds a pop of color to the city's stark structures.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Dynastic Home of the De Piro Family.

A centuries-old forgotten underworld lies beneath Malta.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

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

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

One of the few places to grab a beer in Fez is a former British consulate.

This 16th-century Moroccan fortress-turned-armory museum offers prime views of the historic quarter in Fes.

The designated Jewish quarter in Fez dates back to the 15th century.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

This former royal palace with gorgeous gardens became the first museum in Morocco.

The oldest known university in the world is in Fez, Morocco.

Traditional 11th-century outdoor tannery.

Crumbling necropolis set high above Fez.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The other side is actually green.

Morocco's Argania trees are infested with nut-hungry goats.

This nature center has one of the largest collections of native raptors in the Pacific Northwest.

Here, cows that make vodka are treated like celebrities.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

Rainbow-hued local gem in Venice.