Rotterdam Central Station (Team CS, 2014) is one of the most iconic architectural sites in Rotterdam. The roof over the tracks is covered in solar panels and the striking hall roof points towards the city centre. A number of historic elements from the former station building (1957) by Sybold van Ravesteyn have been re-used, like the original clock in the front façade and the letters spelling out ‘Centraal Station’. In the main hall you can find several shops, information about public transport and the Rotterdam Tourist Information. If you’re looking for original souvenirs, don’t miss shopping at ‘Love Rotterdam. Gifts, Food & More’. The square in front of the stations is a popular starting point for many walking and biking tours of Rotterdam's architecture.

Pyrgos Kallistis is a medieval fortress surrounded by cobbled streets that twist and turn down the hill towards the village. With its 600 residents, Pyrgos retains the allure of an old Greek village that is gradually opening up to the growing influx of tourism. Tavernas, restaurants and traditional Greek cafés find their home along the village streets, blessed by the scent of grapes released by the vineyards that surround Pyrgos.

The recently inaugurated green oasis (the Indian capital's version of Central Park) features Delhi's first arboretum, with multiple species of trees (including a Bonsai House), plants, birds and butterflies. Mughal architecture dating back to the 16th century still remains on park grounds, along with the adjacent Humayun's Tomb. The city zoo is not too far from here; future plans include linking the two to one another to create one vast recreational expanse.

Al-Azhar Mosque isn’t just one of Cairo’s oldest mosques — it’s also the centre of Sunni Islamic learning, going back to 970 AD. The building shows layers of history with its mix of styles from centuries of change. When you visit, you’ll spot all kinds of details in the stonework and decorations that tell that story.