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 to 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.

This legendary market will blow the mind of anyone who happens to have even a passing interest in seafood. The sheer variety of sea creatures sold here must be seen to be believed: apart from Korean favourites like crab and eel, there are the myriad types of fish and shellfish (try the 'kalguksu' noodles with clams, or 'bajirak'), plus essentially anything that can be extracted from the deep waters washing over Busan. Take a stroll around to gawk at the market's curiosities, such as the sea worm ('gaebul'), whose visual similarity to the male reproductive organ has earned it the apt nickname of 'penis fish'. Then, select the seafood that tickles your fancy and have it be cooked right then and there by one of the shops inside the market, many of which have a seating area in the second floor. Get all your seafood from a single vendor if you can, then proceed upstairs to be served your selection accompanied by sauces and side dishes (a few the latter can even be served on the house if you're in luck). Mind that a cooking charge applies, and the price on side dishes is listed per person. Given the upsurge in tourist numbers, prices at Jagalchi have reportedly gone up in recent years, leaving it for travellers who aren't exactly on a budget. Do not despair: most of what you'll see at the market is also served at nearly any seafood restaurant in town, and at a lower charge in some cases.

Uncover the legend of the notorious Jack the Ripper on a spine-chilling London night tour. Follow your expert guide through the dimly lit backstreets of Whitechapel and listen to the disturbing tales and conspiracy theories surrounding one of history's most infamous serial killers. See the streets of Victorian London brought to life with innovative RIPPER-VISION™ projections.

Set inside The Dubai Mall, the Dubai Aquarium is one of the largest in the world, with a 10-million-litre tank that houses more than 140 species of marine life, including the planet’s biggest collection of sand tiger sharks. A stroll through the 48-metre walk-through tunnel gives you a front-row seat as sharks and rays glide overhead, while the underwater zoo upstairs introduces visitors to everything from otters to penguins.