A serene mountaintop temple complex featuring one big, bronze Buddha.

This Gallo-Roman sanctuary is dedicated to Serápis, god of the underworld.

This mythical weapon stuck on the mountaintop is also the site of the first honeymoon in Japan's history.

The ruins of this once gorgeous medieval church are still standing, despite the region's constant flooding.

A colossal aqueduct from the second century B.C., deeply hidden in a gorge on the outskirts of Rome.

Access to this hidden site of a 14th-century mass suicide is prohibited, unless it is to pray for the dead.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

The oldest church in Mantua was buried for centuries under the facades of other structures.

A prehistoric route that has claimed many victims is now closed to traffic.

A surreal botanical garden with an even more surreal tour guide.

This collection of ancient, mountaintop, underground tombs was once hidden by decades of bloodshed.

A former Roman town that was once the home of Scipio Africanus.

This igneous rock monolith towers above the surrounding landscape just outside the Nigerian capital.

Bits of flat terrain surrounded by cliffs make one of the most beautiful landscapes in the Azores.

Featuring the last fully walkable parapet walkway in Europe.

Generations have refused to move this doll from its dusty resting place to preserve a castle from a watery fate.

The oldest academic institution in Japan provides a glimpse of university life during the days of the samurai.

This small, lush island has a long and bloody history.

Built on the foundations of an ancient Roman villa, the unique architecture of this castle on the Catalan coast was used as a set for 'Game of Thrones.'

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

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

Hidden under the thick tropical vegetation of a cemetery is the tomb of Columbo Sahib.

Site of James Cook's historic observations of the 1769 transit of Venus.