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

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

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

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

Crumbling necropolis set high above Fez.

Traditional 11th-century outdoor tannery.

The other side is actually green.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

Mosaics, storks, and brothels—this ancient city has it all.

Founded as a refugee camp, now a popular tourist spot.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Amsterdam's former hotspot for public executions and dissections.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

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

The oldest building in Vancouver's Chinatown is now home to one of Canada’s largest contemporary art collections.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

The "plyscraper" is the world's tallest building made predominantly out of wood.

This country market harbors goats on its roof.

This Italianate house was the childhood home of the prominent Canadian painter, Emily Carr.

A monument stands at one of the starting lines of the Trans-Canada Highway, formerly the longest uninterrupted highway in the world.

This stately Victorian-era burial ground overlooking the Pacific Ocean is home to the graves of some of British Columbia's most famous figures.

An effigy of Vancouver's Gastown neighorhood's namesake.