This former cathedral is now a bustling library packed with students and pigeons.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

The original resting place of Queen Cleopatra and Mark Antony's only daughter.

This massive monument towers over the city as a constant reminder of the lives lost during Algeria's hard-won war for independence.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

The final resting place of the "father of special effects."

The ruins of a fairytale castle with a tumultuous history stand high atop the mountains.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

This historic square in Nepal is home to temples dating back to the third century.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

It took 82 years and four different plaques to finally get the story right.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

A striking Soviet memorial commemorates the liberation of Belarus from the Nazis.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

A Christian monastery stands on what was once a holy Incan temple.

This demon atop the Notre-Dame de Paris looks utterly bored.

This elegant neoclassical garden is a peaceful oasis in the middle of the Nepalese capital.