These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

A fountain standing as a testament to a doomed alliance.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

Turkish adventurer antiques in the heart of the Grand Bazaar.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

A hulking remnant of Alaska's industrial gold mining boom in the 1920s.

A trading post in the North Pole where children send letters.

Considered by many to be one of the most dangerous highways in Alaska.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

Semi-recognized center of the world, with many oddities.

"We Seceded Where Others Failed."

A monument celebrating the idea of reaching inaccessible places.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

Reaching this rock formation involves a hike through rocky rapids and springs where wild turtles reproduce.

The city walls of Salé lead to the ruins of this seaside "bastion of tears."

The rubbery beast is sculpted from recycled materials.

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.

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

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

This road earned its macabre nickname after hundreds of Iraqi troops died along it in 1991.