A temple to modernity, tucked away amid Barcelona's more well known museums.

Week-long block party becomes a competition for the best decorated street.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

Hackney's newest private museum and natural curiosity shop.

The collection contains over 25,000 items and details the painful dental practices of the past.

The remains of the great moral philosopher reside in a university in London.

Artists and musicians now rule over this former rail station.

English antique dealers with a taste for the unusual.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Repository for more than 22 million pickled specimens.

One of the world's largest collections of pathological specimens.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

The anatomical-pathological collection of a man who changed surgery.

A historic house left in "dramatic still life."

Eighty million natural history specimens call this gargantuan museum home.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.