Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

This hill is known for its connection to the occult in Slavic tradition.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

The sign at the garden gate reads: "These Plants Can Kill."

This five-foot-tall bronze bird is a memorial to a species that was hunted out of existence.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

Iceland's first pagan temple in 1,000 years is underway in Reykjavík.

This tiny museum's sizable collection is jammed into a former underground public toilet.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

An encyclopedic collection of mammal penises.

Climb right into the heart of this colorful Iceland volcano.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Staves, storm-calling, and of course, necropants.

A cheeky architectural easter egg.

The mystery of the Putim Ossuary involves a tricorn hat.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

This network of conjoined cellars was riddled with traps and supposedly allowed the townspeople to pretend their homes were deserted.

A former squatter's paradise outside Prague.

Mysterious painted skulls in Moravia.