More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

A corkscrew-shaped barn in Ireland.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

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.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

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.

A winding, blood-red tunnel of hardened lava navigable by foot.

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

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

An encyclopedic collection of mammal penises.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

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

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Tiny memorials honor individual victims of the Holocaust.