These unique stained glass windows were designed by local children using a modern flair.

This bronze marker acknowledges an embarrassing royal blunder.

This millstone commemorates a gruesome tale that may have been the source of the city's name.

Just off the city’s central station hides a quaint lamp-lit alley into medieval Elsinore.

The shiny silver little brother to Copenhagen's Little Mermaid statue.

Old Danish castle immortalized in Shakespeare's Hamlet.

Nordic giants resurrected from the sea and restored to their former greatness.

According to legend, this is the burial place of a mythical three-legged death omen horse.

A remarkable two-country morph, this town is part of Germany legally but is by all other measures Swiss.

A massive observation tower that features gorgeous views and unique architecture.

A mythically themed self-built sculpture park.

A 13th-century Swiss castle houses a collection of artifacts from the Polish diaspora.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

After a catastrophic forest fire, a Greek artist transformed scorched tree trunks outside an old sanatorium into this haunting sculpture garden.

Only open for two days a year, this church links ancient Greek and modern Christian celebrations.

According to legend, this cavern holds the passage that Persephone used to travel to and from the underworld.

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

A preserved portion of an ancient Athens barrier is displayed in a hotel basement.

According to legend, this ancient column contains healing properties.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

Legend says this sacred tree was a gift from goddess Athena.