The roof of this ancient mausoleum is made from a single Istrian stone weighing a massive 230 tons.

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.

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.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

This ultra-modern burial building would have stacked the dead like a giant filing cabinet.

The wreckage of a tragic plane crash is on display at this museum devoted to a famous Italian conspiracy.

An amazing collection of wax anatomical models and terratological models.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

This zoological museum began as the first great curiosity cabinet.

The mummified relic of St. Catherine sits forever on a golden throne.

A diverse collection of wax, bone, papier-maché and mummified relics.

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

The name of the only golden Buddhist temple in Korea translates as "the temple that protects the country."

Its humdrum facade only adds to its electrifying appeal: a rooftop with panoramic views of a shapeshifting metropolis.

The burial ground of two kings and a queen is now a calm city park in the middle of bustling Seoul.

The headquarters of Korea’s provisional government later became the site of a prominent statesman's assassination.

Plenty of old carney magic still haunts this photogenic amusement park.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

Step into a cartoon at this Seoul café that aims to evoke a two-dimensional scene.