The domed Gare des Bénédictins, the city's train station with its 60 meter tall clock tower is surely one of the world’s most beautiful train stations and surprisingly Limoges' top sight. You don't need to be embarking on a train, but this is a must-see in Limoges.

Located on the South Bank, right next to London Eye, SEA LIFE London Aquarium harbours one of Europe’s largest collections of global marine life covering more than 500 species, 14 themed areas and two million litres of water. The exhibition includes favourites such as seahorses, octopuses, zebra sharks and clownfish. There are also interactive experiences, so you can see diving displays, watch the sharks being fed, or even try and feed the stingrays yourself. And don't forget to take a dive 'under the ocean' in the glass tunnel walkway.

Palmengarten is Frankfurt’s botanical garden, covering 20 hectares of parkland with greenhouses that recreate climates from around the world. Alongside the plant collections, the gardens often host exhibitions, concerts and seasonal events.

Saint Paul’s Church (Paulskirche) was consecrated in 1833 and hosted Germany’s first national assembly in 1848, which helped shape the country’s modern constitution. Visitors can see the historic interior and sometimes attend political or cultural events held in the building.