The house where the writer spent his formative years.

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

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

A moody and picturesque riverside ruin overgrown with vegetation.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

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

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

Volcanically heated hot springs.

This restored colonial house was once home to the botanist responsible for bringing avocados to the U.S.

A collection of heirloom roses tucked in a spectacularly beautiful botanical garden on Lake Atitlan.

Albuquerque found the perfect use for tumbleweeds at Christmastime.

A Volkswagen Beetle decorated with millions of beads connects Mexico's past and future.

Beneath the most controversial monument in Mexico City is a cultural center that exhibits only digital art.

This "cursed house" features secret rooms, hidden vaults, and dark escape tunnels.

Cave where bat-eating snakes hang down from the ceiling.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

An indigenous take on European design creates a stunning visual overload.

The burial place of some of Mexico's most prominent residents is full of macabre stories and hidden masonic symbols.