An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Numerous stone coffins from different centuries, lined up in a sixth century basilica.

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

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.

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

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

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

The oldest cemetery in Belgium.

Christ's blood allegedly preserved in a Belgian town.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A wonderfully kitsch bookstore the size of a supermarket.

Lavish royal estate punctuated with heated greenhouses.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

The Habsburgs' royal collections of art and wonders.

Dine amidst exotic plants at this former royal greenhouse.

The beautiful baroque library of the Hapsburg empire.

On a teardrop-shaped island in the Danube, the ruins of a convent and the final resting place of a saint.

Time stands still at this serene burial ground in the center of Budapest.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

Dine on Hungarian-Jewish dishes at this multigenerational, family-run institution.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

Some of the greatest minds in the history of Hungarian art and science converged in this café.