The oldest public library in Ireland.

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

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Have a seat with the father of modern computing at this Manchester monument.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

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

Regency-era excess on the English Coast.

One of England's most famous churches hides a pair of little known architectural treasures.

This giant crucifix is like U2's Joshua Tree for Swedish death metal fans.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

Meet the bronze beloved pet to a family of famous peeing statues.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Climb inside an iron crystal magnified 165 billion times its normal size.

Cozy basement bar sports an inventory of over 2,000 beers.

This Stockholm light tower can be controlled by anyone with a smartphone.

Sweden's "good old days" painstakingly re-created in a model village.

Sweden's oldest animated sign is still lighting up the skyline today.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.