Medicinal spa created with the discharge from a geothermal energy plant.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

This enormous "shamoji" means more to the people of Miyajima than just a way getting rice onto a plate.

Japanese national treasure originally built in 593 CE.

Peace Park and the Atomic Bomb Dome.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

Amsterdam's former hotspot for public executions and dissections.

The former headquarters of history's oldest megacorporation.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

A diminutive statue that was inspired by the sculptor's own daughter.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

A marvel of Byzantine engineering under the streets of Istanbul.

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

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

Traditional 11th-century outdoor tannery.

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.

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

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.