Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

This sculpture pays homage to the street sweepers of Madrid since its inauguration in 2001 in Plaza Jacinto Benavente.

Commonly acknowledged as the only public monument to the Devil himself.

An homage to the first Spanish cyclist to win the Tour de France.

The fragmented remains of a massive public bath connected to the city's water supply.

The water of this well in Toledo lost its sweetness after the death of a young love.

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

This vast masterpiece of Moroccan architecture spreads across 20 acres.

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

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

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

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

These artificial caves crafted by ancient Romans were elaborate fish farms for moray eels.

Mexico's first public cable car soars over the congested streets outside Mexico City.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

Local lore claims this rocky cape hides a lost Aztec treasure.

This house of worship in the Arctic Circle is shaped like an igloo.

After a long, dark winter in the upper latitudes, Yellowknife knows how to let it all out in unparalleled style.

Locals believe the purity of this huge, untouched Arctic lake could be the salvation of human civilization.

Natural earth mounds formed in the far north.

This greenhouse was once a hockey arena.

This unique bridge has been a staple across the Saskatchewan River Valley for more than 100 years.

What happens when a sculptor has to find a way around a 100-year-old copyright.