A swirling spectrum of stained glass dazzles visitors who enter this subway station.

This collection of promotional calendars preserves a staple of mid-century Mexican pop art.

The collection of intricate sculptures includes one carved from a mammoth's tusk

The ruins of the bathhouse used by the ill-fated last Aztec emperor still lie in Chapultepec Park.

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

An airy Art Deco space devoted to the weird and wonderful folk art traditions of Mexico.

At a museum of everyday objects, it is the act of collecting that is really on display.

The only castle in North America to ever house European sovereigns.

66,000 pieces of art, donated by one of the world's richest men.

Part bookstore, part café, and part forest.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

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

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

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

The modern birthplace of Irish freedom.

The house where the writer spent his formative years.

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

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

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

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

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.