Though they've since been renamed, these two streets hint at Dublin's darker days.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

Huge standing stones mark a site of megalithic mystery.

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

A particularly disconcerting tribute to Irish martyrs.

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

A devastating booze inferno poured through the streets, claiming several victims who drank it.

The modern birthplace of Irish freedom.

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 oldest public library in Ireland.

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

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

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

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

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

A living memorial to the trees London lost during the Great Storm of 1987.

The medieval woodcut-style artwork chronicles life in medieval London.

This tomb's name derives from a famous painting of a white horse found inside.

All that remains of an ancient royal palace is a water channel that was used for drinking games.

An early Korean refrigerator.

Walk in the footsteps of the famed astronaut at Purdue University.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.