This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

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.

Experience what life was like in Ireland during the Viking and medieval ages.

The ancient tomb acts as a calendar that keeps perfect time.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Legend says this rock was once a chopping block for public executions.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

A scattered trail of street art adds a pop of color to the city's stark structures.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Along this wire fence, travelers have been leaving a particular memento since 2012.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This stunning concert hall has become a symbol of Iceland's national recovery.

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

Three columns of volcanic rock shoot out of the ocean.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

An encyclopedic collection of mammal penises.

This elegant arc of a waterfall marks a religious turning point.

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