Location of a reliquary containing bone fragments of 18 saints.

Like Mardi Gras, only everyone's a pirate.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

A gorgeous example of 13th-century Gothic architecture.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

These elaborate gothic monuments honor Verona's medieval lords.

Pilgrimage site for star-crossed lovers.

Beautiful views and Roman-style statues on the Italian coast.

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

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

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

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

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

Electrical pylon in the shape of Disney's beloved mouse.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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