A nourishing complex of found object art, paintings, and sculptures that celebrate key figures in Black history.

This spherical sculpture has also been dubbed "the steel orange" due to its likeness to a massive, sliced piece of citrus.

At this snack-shack in the bucolic British countryside, you can still get a slice of socialism with your spot of tea.

A boulder in the Churchyard of Down Cathedral marks the legendary burial place of "The Apostle of Ireland."

An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

Deep in the Negev Desert, the world's tallest solar tower looks like a sight straight out of science fiction.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.

This patch of land is home to Sweden's largest burial mound, allegedly belonging to a mythical king.

This house is a mosaic of tiled artwork sourced from local artists.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

This runestone once destroyed by an explosion has been painstakingly reassembled to save its history.

This house is one of the most colorful in the country, and is the last remaining example of a historic villa.

A functioning Roman-era aqueduct and bridge in rural southwest France.

This archeological site hidden behind Teotihuacán's pyramids shelters 1600-year-old murals.

This museum houses artifacts from American adventurers and filmmakers Martin and Osa Johnson.

Albert Einstein would often sit in this chair during visits to the observatory to discuss science with Willem de Sitter.

This grave marks one of few bodies retrieved from the disastrous Franklin Arctic expedition.

Tragic reminders of the 1945 firebombing campaign over Tokyo still haunt this bridge.

The storied steakhouse is the last in a long line of Lebanese-owned supper clubs in Tulsa.

The oldest continuously occupied public building in the United States.

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

An 18th-century estate owner thought these cottages were an eyesore, so he artfully disguised them as a church.