London

Reopened recently at the very site of its original discovery, the ruins of this Roman Temple of Mithras are open for public visits in the basement of Bloomberg's European headquarters at number 12 Walbrook. There are also a few other exhibitions that include both historic artefacts and contemporary artwork. Entrance is free of charge.

London's largest UNESCO World Site, the Royal Botanic Gardens, Kew, is the largest conservation project of its kind in the world. Visit the Davies Alpine House and experience the high-altitude conditions that allow alpine plants to grow, take a trip the desert to the jungle at Princess of Wales Conservatory, marvel at treacherous carnivorous plants and take in sweeping views of London from atop the Great Pagoda.

Housed in a large former power station, Tate Modern is Britain's leading art gallery when it comes to modern and contemporary art. As well as the Tate's much anticipated exhibitions, there's a fantastic permanent collection to explore. It features works by artists as diverse as Matisse, Picasso, Rothko, Pollock, Warhol and Bourgeois.

One of the largest and most interesting museums in the world, the British Museum is home to some of the most treasured historical artefacts ever found. The extensive exhibition includes the Rosetta Stone, Assyrian treasures, Egyptian mummies and the museum's spectacularly illuminated Great Court, where you can find the museum's new restaurant. This restaurant is an ideal spot for taking afternoon tea under the court's spectacular roof. Free tours of the museum and guides are also available.

The Natural History Museum houses hundreds of amazing exhibits from the natural world in one of London's most beautiful landmark buildings. Highlights include the popular Dinosaurs gallery, the model blue whale and the Cocoon specimen centre special. Events and debates are held in the Darwin Centre high-tech Attenborough Studio, where you'll have the chance to meet important scientists.

There's plenty to keep you entertained at Madame Tussauds London, with more than 300 wax figures, the Marvel Super Heroes 4D movie experience and Spirit of London Taxi Ride. The uncannily lifelike wax figures of famous (and infamous) individuals from throughout history are the obvious highlight. From Johnny Depp and One Direction to Muhammad Ali and the Queen, you are sure to recognise everyone who makes an appearance. Who is your favourite celebrity?

Shakespeare's Globe Theatre is a reconstruction of the original open-air theatre where playwright, William Shakespeare, first staged many of his famous plays such as Romeo and Juliet, Hamlet, and Midsummer Night’s Dream. On the banks of the Thames, just a few hundred yards away from its original location, the Globe stages classic and modern interpretations of Shakespeare's works as well as of brand new plays. And at only £5 for a standing ticket, you can't go wrong. There is also an exhibition with audio guides available in English, French, German, Spanish, Italian, and Japanese. And expert guided tours run every 30 minutes.

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, octopus, zebra sharks and clown fish.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.

During the summer months, Buckingham Palace - the official residence of The Queen - opens the doors of its elegant State Rooms to the public. As well as proving a very fancy backdrop for many an official royal engagement, the rooms contain some of the finest treasures from the Royal Collection - including paintings, sculptures and fine French furniture.

Built on 150 acres of parkland, the LEGOLAND Windsor Resort is located just outside of London. It is home to more than 55 rides, shows, attractions and workshops, all geared towards children up to 12 years of age. This theme park is a great place for a family day trip. But for those of you who would like to make the most of all the fun there is to be had at the theme park, there is the possibilty of staying at the Resort Hotel's themed rooms for a few days and enjoying its themed rooms. That way you can fully enjoy all that the park has to offer. You can jump on board a Lego submarine, take a good look at London's iconic landscape in miniature form, get soaked at the water rides and put your skills to the test at The Driving School.

The National Portrait Gallery in Central London harbours more than 195,000 portraits of famous men and women who have shaped British history from 16th century to the present day. Painted by acclaimed artists such as Holbein, David Hockney, Cecil Beaton and Lucian Freud, sitters include kings, queens, film stars, politicians, musicians and many more. The gallery's rolling calendar of exhibitions is worth investigating as well, particularly the annual BP Portrait Awards.