This still-celebrated home was a radical architectural experiment in 3D De Stijl.

A set of multi-story murals honor Nelson Mandela and Desmond Tutu.

A 19th-century relic of timekeeping.

It celebrates the four men from South Africa who have won the Nobel Peace Prize.

Grotto replete with mystical designs laid out in glued shell mosaics.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

“Primitivist” style sculptures that emphasize the human body as nature’s highest creation and seek a connection between man, the sea, and the tradition of the Mediterranean.

This "flat geyser" bubbles up out of the ground periodically like a disappearing river.

The largest prehistoric cemetery on the Balearic Islands dates back over 2,500 years.

Britain's answer to the NSA is based out of this deliciously-named circular headquarters.

An early 20th-century bullring converted into a modern shopping center.

This bizarrely tree-like red skyscraper is one of the newer additions to Barcelona’s skyline.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This historic sculpture from the 16th century is even older than the city of Boston.

The "lovely red Vega" of the legendary record-settling pilot.

Peace Park and the Atomic Bomb Dome.

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

The Cape of Good Hope is not quite as low as you can go on the African continent, but it's still geographically significant.

This small monument marks the divide between the Atlantic and Indian Oceans at the southernmost tip of Africa.

The Last Home of an Executed King.