A semi-abandoned village destroyed by U.S. bombings during World War II dominates the valley of Turano.

The ruins of a Roman fort lie in the shadows of an imposing medieval castle.

One of Sydney's oldest graveyards hides in plain sight behind a hospital.

A stunning fountain depicting a mythological she-goat carved directly into the rocks on the grounds of a Renaissance palace.

The oldest surviving glass furnace cone in Western Europe.

This foreboding building was the headquarters of the terrifying Spanish Inquisition in Mexico.

This striking steel sculpture transforms environmental data into art.

These strikingly colorful paintings were created by a mysterious Mesoamerican civilization.

Where the rules of that most quintessentially English game were first devised by an eccentric inventor.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

A Roman spa buried deep beneath the City of London.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

These colonial murals are a fascinating hybrid of Spanish and Indigenous aesthetics.

A magnificent Neogothic tomb hides within this Italian fairytale-like forest.

More than a million titles fill the labyrinthine shelves of this prestigious private library.

An eerie abandoned gentlemen's club built for British officials during the colonial era.

An enormous public square and parade ground built to celebrate Ghana's independence.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

A surprisingly large and sturdy ruin on the outskirts of a remote village.

The ruins of a former sanctuary for elite Aztec warriors.

Divers can encounter an abandoned warship encircled by a giant kraken submerged in the British Virgin Islands.

You can crawl inside this atmospheric 5,000-year-old tomb.

The designated Jewish quarter in Fez dates back to the 15th century.

Nestled in the heart of Milan is a real wunderkammer of morbid curiosities.