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

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

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Walk in the footsteps of the gods and straddle two tectonic plates.

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

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

The world's northernmost brewery uses water from a 2,000-year-old glacier to create its beer.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

This Arctic storage facility is a secure backup for agricultural biodiversity.

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

Recently revamped museum of Fijian history located within a gorgeous colonial-era garden.

The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

Where Saint-Martin ends and Sint Maarten begins (or vice versa).

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

One of the last members of the Byzantine Empire's last ruling dynasty is buried in the far-off soil of Barbados.

A volcanic crater that visitors can look inside.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

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

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

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

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

The final resting place of the liberator of Argentina is guarded around the clock by two soldiers.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.