Spinning Waterwheel at the site of Mill Number Four, New Lanark, Scotland.
For years, the machinery in the cotton mills was powered by waterwheels, before being replaced by water turbines.
The New Lanark Mills operated until 1968.
Nowadays, with a population of around 200 and many of the old mill buildings converted to homes, New Lanark is listed as a UNESCO World Heritage site.

Silhouette of the National Monument of Scotland, located on Calton Hill, Edinburgh, Scotland. Modelled on the Parthenon (Athens), the National Monument of Scotland is a memorial to the Scottish soldiers that died on the Napoleonic Wars. Construction started in 1826 and was interrupted in 1829. It's still unfinished.

Robert Burns Monument, Edinburgh, Scotland. The Burns Monument, built in 1830 by architect Thomas Emilton, is located in Reagent Road, close to the emblematic Calton Hill in Edinburgh.

Central Hall at the National Museum of Scotland, Edinburgh. The National Museum results from a merger of the Museum of Scotland, built in 1998, and the former Royal Museum, built in 1861. After a massive renovation, the building re-opened in July 2011. Going through the different halls, and passing from the new to the old from one hall to the next is a peculiar yet pleasant characteristic of the museum. Pictured is the great hall, part of the former Royal Museum, with its cast iron construction rising the full height of the building, and ending in a magnificent skylight.

The Portuguese National Pavillion (Pavilhão de Portugal), Lisbon, Portugal, designed by Alvaro Siza Viera, sheltered the portuguese representation at Expo 98 and was designed to be the architectural centerpiece for the Expo. The roof covering the center plaza has no supports other than the two porticoes. Parque das Nações, the development originated after the Expo 98, has many examples of modern architecture, both in commercial and residential spaces. This area also features Europe's largest Oceanarium, restaurants, bars, event halls and permanent exhibit halls. Parque das Nações is located right next to the Tagus River (Rio Tejo) on the East of Lisbon.

The St. Peter's Square, Rome, Italy, is adorned by two majestic fountains: Fontane di Piazza San Pietro. The fountains were created by Carlo Maderno (1612–1614) and Gian Lorenzo Bernini (1667–1677). This is an image of the Bernini Fountain, located on the southern part of the square, comissioned by Pope Clement X. The inscription reads "Paulus VI Pont Max Restituit"

King's Hall inside Bamburgh Castle. Haldheld HDR. The Bamburgh Castle is one of the largest inhabited castles in the UK. Located in northeast England, right by the beach on the shores of Northumberland. With a recorded history going back to the year 547, Bamburgh Castle played a central role in many of the historic periods of this region. The King's Hall inside Bamburgh Castle is used as museum and hosts events like weddings.