Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

Terrifically morbid cemetary and site of famous Paracelsus' grave.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

Go inside to really appreciate this 500-year-old technological masterpiece.

Venice's island of the dead.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

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 musical instrument played by the sea.

A tiny church on a man-made island in the Adriatic.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

An ancient knight and a symbol of the city's freedom.

Gargoyle head that brings good luck.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

What once sat in the world’s spotlight is today a largely disused ghost complex.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

Ancient serpentine sacrifice holder that has stood the test of time.

A marvel of Byzantine engineering under the streets of Istanbul.