Also known as the Rock Church, this place is carved straight into granite in the middle of Helsinki. From the outside, it kind of looks like a grounded spaceship. Inside, the rough stone walls, copper dome, and skylight ring give the space a quiet, otherworldly feel. It’s still used for services, but you’re just as likely to catch a concert here, thanks to the natural acoustics, which are genuinely impressive.

Once a 1950s military factory complex, 798 has been converted into Beijing’s best-known contemporary art district. The old concrete workshops and warehouses now house galleries, studios, and design shops, featuring everything from major exhibitions to small, experimental shows. You’ll find photography, video art, installations, and plenty of one-off pieces that change all the time. The area has also filled up with cafés, bars, and restaurants, so it’s easy to spend a few hours wandering, eating, and people-watching. It’s in the Dashanzi area, northeast of the centre, and the mix of Mao-era industrial buildings and modern art is half the experience.

With the help of modern multimedia, the Seaplane Harbour in the wooden architecture suburb Kalamaja tells exciting stories about the Estonian maritime and military history promising a "sea full of excitement" for the whole family in an area that would take nearly 2 million A4 paper sheets laid down side by side. The museum’s display that comprises of more than a couple of hundred large exhibits revitalizes the colourful history of Estonia. In the outdoor area, visitors can tour a collection of historic ships, including the Suur Tõll, Europe's largest steam-powered icebreaker.

In the historical heart of Amsterdam, rough diamonds are transformed into dazzling jewels every day. Book a free 1-hour tour and delve into the exciting world of diamond cutting at House of Gassan, where four centuries of craftsmanship and tradition are brought to life.