Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

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.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Murals created to save a fisherman's quarter from demolition!

A magnificent amphitheatre that once hosted gladiators is now considered the most significant in the entire region

The oldest preserved Triumphal Arch in Northern Italy

A gorgeous medieval library where the books are kept in chains.

A free public golf course hides in plain sight in the heart of Scotland’s capital.

This ordinary-looking rock may have played an important role in a 16th-century Scottish battle.

Scotland's claim to the prime meridian was laid 200 years prior to the one in Greenwich.

This Japanese national treasure was originally built in 593.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

An eerie reminder to the horrors of World War II.

Peace Park and the Atomic Bomb Dome.

Once a black market electronics marketplace, now an otaku shopper's paradise.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

A lonely chimpanzee lures you into a narrow alley leading to this hidden shrine.

Steampunk, humanoid sculptures crawl on all fours in a Tokyo plaza.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

Luminaries from Albert Einstein to John Lennon once had a cup of coffee at Tokyo's oldest café.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

The western face was supposedly left clock-less to snub the Welsh.