A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

The last of Amsterdam's original sea level markers remaining in place.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Amsterdam's former hotspot for public executions and dissections.

Museum preserving torture methods from the past.

Amsterdam's Red Light District leaves little to the imagination.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

These barriers stand as stark reminders of Northern Ireland's troubled past.

A museum marks and documents the site of the Titanic's launch.

These engineering masterpieces are a dominant feature of the Belfast skyline.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Northern Ireland's Brobdingnagian stepping stones.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

One of Ireland's most infamous prisons for rebels including men, women and children.

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

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

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

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

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

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

Two plaques commemorate the site of Shakespeare's first theatre.

After nearly 60 years, there's still a bear at Paddington Station looking for help.