The house where the writer spent his formative years.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

One of Ireland's most infamous prisons for rebels including men, women and children.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

Banksy gives themself artistic license with this piece of London street art.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

In the fictional world of Kcymaerxthaere, standing at this site just outside Vienna, Austria, the sky would have been found beneath your feet.

An hour south of Punta Arenas (Chile) along the Strait of Magellan, a Kcymaerxthaere plaque tells the story of Culev Larsze, cursed to live without words in the fictional world of Kcymaerxthaere.

A museum in Hokkaido is housed in a former high school. On its grounds a marker shares the awakening of a man who longs to be reunited with his soulmate in the fictional world of Kcymaerxthaere.

In the Flinders Ranges of South Australia, this marker marks the severe haven of War Kangaroos that once roamed here in the fictional parallel world of Kcymaerxthaere.

Past Blinman, past the end of the asphalt, in the majesty of the Flinders Ranges, you will come upon three stone markers by the road.

On Keriri/Hammond Island, a marker shares the story of an imprisoned woman and the island she saved and that eventually saved her—in the fictional world of Kcymaerxthaere.

A site outside Pedraza, Spain where a plaque tells a tale of seven-legged creatures that were said to have once lived in the area—in the fictional world of Kcymaerxthaere.

The site of good faith and good nature in the fictional world of Kcymaerxthaere.

This Franklinford, Australia site was once home to one of the remotest churches of its faith—in the fictional world of the Kcymaerxthaere.

In a park on Taiwan's rugged Eastern coast, a marker celebrates a glorious sight from the fictional Kcymaerxthaere.

On the right bank of the Grand River a plaque remembers an imaginary painter who once awaited his youth.