Chowmahalla Palace offers visitors a glimpse into the opulent lifestyle of the Nizams, the rulers of Hyderabad State during the 18th to mid-20th centuries. This stunning palace is renowned for its exquisite blend of Persian, Indo-Saracenic, Rajasthani, and European architectural styles. Visitors are particularly impressed by the grandeur of the Khilwat Mubarak Hall, adorned with dazzling Belgian crystal chandeliers, and the meticulously manicured gardens that provide a serene escape from the bustling city. A unique highlight is the collection of vintage cars, including the legendary Rolls Royce.

Also called "Fortress Cathedral", this is a Medieval church built in the 13th century over the ruins of San Nicola´s church. The austere facade granted it the title of biggest medieval monument in Taormina: with its Gothic-Norman style, it shouldn't be missed.

The 17th century St Paul's Cathedral on Ludgate Hill is one of the capital's most iconic buildings. Designed by the illustrious Sir Christopher Wren, St Paul's was the tallest building in London until as late as 1962. Use the touchscreen multimedia guides or take a guided tour to learn about the famous interior or, if you're feeling fit, climb up to the Whispering Gallery and try out the acoustics. From there you can carry on making your way up to the Golden Gallery atop the dome, where you'll be rewarded with breathtaking views of London. You can also descend into the crypt where you'll find memorials of important historical figures such as Admiral Lord Nelson.

Hawaii's black sand beaches are a world-class attraction. Punaluu Black Sand Beach, located on the southeastern Kau coast, draws its striking color from volcanic activity. Hawaiian Green Sea turtles often bask on the shore here — be sure to observe from a distance, as they are an endangered species.