A wonderfully kitsch bookstore the size of a supermarket.

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

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

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

A bizarre house filled with an astounding array of collections.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

The internet as provided by a James Bond villain.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

This wooden hotel is a temple to German sustainability and forest conservation.

Model Trains and Much More in Hamburg.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A lush indoor jungle fills this bustling Madrid transportation hub.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Home to three historic ships from the age of Vikings.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

A museum wholly devoted to juvenescence.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This hidden green space is the city's second largest conservatory.