Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

An underground city of ancient quarry tunnels hid thousands of Allied soldiers in WWI.

This small commune with an even smaller name appears to have an unlikely amount of dead ancestors.

Science fiction's grandfather has a fittingly marvelous tomb.

Scene of the grisly murder of two Norwegian women in 1873.

The strange, ritualistic-seeming 100+ year old basement of a New Hampshire undergrad society.

Beneath the city of Lourdes, France is a massive, concrete church.

One of the world’s best microminiaturist, Nicolaï Siadristy displays his lifetime of tiny creations in this museum.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

340-foot statue built to honour the Heroes of the Soviet Union.

The deepest metro station in the world.

An encyclopedic collection of mammal penises.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

Ukraine's oldest operating pharmacy now offers guests a fascinating walk through apothecary history.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

Ancient stone dildos and other odd pieces of medical history are displayed at this quirky Cyprus gem.

This rare collection of human deformities displays fetuses with two faces, one eye, and "mermaid" legs.

The medieval prince founded the first library in Ukraine at Saint Sophia's Cathedral where he was interred.

The largest collection of death masks in Ukraine.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

The final resting place of New England's last "vampire."

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.