A wonderfully kitsch bookstore the size of a supermarket.

This museum is housed in an unassuming building that witnessed one of the most daring feats of satire in modern history.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

One of the oldest bank museums in Europe showcases unusual currencies of the world and other money-related miscellanea.

Intricate metal sculpture that's half gothic cathedral, half construction equipment.

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

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

A bookstore dedicated to the intersection of comedy and art.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

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.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Where royalty waits in the height of luxury.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

A line number in Amsterdam that will likely never be used again due to its tragic history.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Impressive mining ruins overlook a spectacular view of Ireland's Copper Coast.

The secret medieval communication system will whisk your words above the noise of the crowd.

Da Vinci's equestrian statue, 500 years in the making.

A larger-than-life house of cards stands outside the house of a former fashion designer.