This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A little slice of Japan and its aesthetics in London's Holland Park.

It is still illegal to "quarrel" at this unlikely urban oasis built on top of an electrical substation.

The last four extravagant street signs of London's historic banking street.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

There must be a pun in this haystack somewhere...

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

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

A little sculpture with a large wardrobe.

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

The Columbia Road Flower Market is now open every Sunday, rain or shine.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

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

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

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

Brussels' favorite peeing boy has a sister.

This modern arts center is built around a gem of late-Baroque architecture.

Op-art architecture designed for happiness.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

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

Northern Ireland's Brobdingnagian stepping stones.