Leipzig's Botanical Garden, established in 1542, is the oldest in Germany. It houses over 7,000 plant species, including special collections in its greenhouses and a sensory garden, alongside a popular butterfly house. The garden is open for visitors every day, free of charge. Stop by for a serene moment in the city.

Smaller and less crowded, The Armenian Quarter has an ancient and intriguing atmosphere. The Armenian community is indeed one of the oldest in the city: it is believed that a group of Christian pilgrims founded it in the 4th century AD. If you're interested in religious architecture, take some extra time to visit. Head to St. Mark's Chapel, one of the oldest churches in Jerusalem, dating back to the 12th century. It's located on the exact spot where Jesus's Last Supper happened, and where the Virgin Mary was baptised. Today, it belongs to Syriac Orthodox believers, and it is richly decorated, with a carved throne and beautiful interiors. St James Cathedral is also worth a visit: it is a site of martyrdom and it's only open during masses. Finally, stop by the Armenian Compound. A monastery and hospice, it was a refuge for those who escaped the dramatic Armenian genocide. Today, it is also the seat of the Armenian Patriarchate.

The Cathedral of the Holy Cross and Santa Eulàlia, or simply the Barcelona Cathedral, is the Gothic cathedral and seat of the Archbishop of Barcelona. Its construction began in 1298 on the site of an ancient Roman temple and took more than 150 years to be completed. Located in the centre of the historic Gothic Quarter of Barcelona, the cathedral is dedicated to the martyr Santa Eulàlia – the patron saint of Barcelona – who was tortured to death in late Roman times. Her corpse is buried under the main altar. Be sure to climb to the roof for a nice view of the city, and don't forget to visit the serene and beautiful courtyard, which is occupied by thirteen white geese representing the years of Saint Eulalia's life before she was martyred.