Quito's historic, main square dates back to the 16th century.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

Home of the "true" equator.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

Massive volcano in the Andes is the farthest point from earth's center.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

Over 4,700 miles of trees being planted to hold back the desert.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

An abandoned faux-pub made famous by a Guinness commercial.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

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

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

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

A world-class theater sits hidden in this remote town in West Iceland.

At this museum in Iceland, visitors can sample fermented Greenland shark.

The final resting place of the controversial chess champion.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.