An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

This historic Victorian hotel has a scandalous history of affairs and murder.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

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

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

The prototype for all Nazi concentration camps.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

A mocking tribute to the past and modern leadership of Prague.

A church of bones, decorated with 40,000 human skeletons.

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

The patron saint of spinsters grasps a container of dried blood.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

Shoreline strewn with the remains of ghostly fallen trees.

Stroll through a wonderland of stupendous moss-covered trees.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Walk in the footsteps of the gods and straddle two tectonic plates.

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

America's oldest archaeological site or a muddled case of wishful thinking.