Rippling sand dunes frozen in the Arizona rock.

World's largest collection of serial killer artwork and other macabre exhibits.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

A marvel of Byzantine engineering under the streets of Istanbul.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

A beautiful maze marks where three countries meet.

Pompeii's less famous neighbor is still revealing her secrets.

Thousands of well-dressed mummies below a monastery.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Hungarian mummies in beautiful painted coffins.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

Guests can stay at a hotel in the former French abbey where lie the tombs of King Henry II and King Richard the Lionheart.

His "Lionheart" is entombed separately from the rest of his body.

Perhaps the most beautiful of preserved saints, with a little help from Paris.

Saintly bones pressed into a wax effigy of a Catholic superstar.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

An icy lake tucked among jaw-dropping alpine panoramas.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.