London

In fact, it’s the top attraction in the country—6.8 million people a year. Put on your walking shoes because it’s huge. — Frommer's

The Tower of London's romantic silhouette, so emblematic of British history, has been the backdrop for some horrific episodes as well as moments of royal splendour. — Michelin Guide

On a clear day you can see as far as Windsor Castle, 25 miles away, from the top of the London Eye, one of the world's largest observation wheels. — Time Out

Unofficial HQ for Fathers For Justice. — Not For Tourists

A wonderful fun house designed and inhabited by Sir John Soane (1753–1837), Royal Academy professor and architect of the Bank of England, among other buildings. — Concierge

Within the gallery rooms are Rothko and Picasso, Mondrian and Delvaux in glorious relief to... stark surroundings. — Let's Go

One of three frontages in the Victoria & Albert Museum, the Natural History Museum is one mile in depth and has two façades 1,000 feet long. — Travel + Leisure

Best-known as the venue for the annual July–September BBC Promenade Concerts—the "Proms"—with bargain-price standing... tickets sold on the night of the concert. — Fodor's

In contrast to the West End's grand aristocratic town houses, this charming museum is devoted to the life of the city's middle class over the years. — Fodor's

Expertly curated, this museum of decorative arts allows you to discover 3,000 years worth of artefacts. — Condé Nast Traveler

This elegant town-house gallery is one of the capital’s lesser-known art spots, but it's simply packed with priceless paintings, furniture and porcelain. — Afar Magazine

A ticket to the exhibitions and tour... includes a 45min. walkthrough of the theater, chock full of anecdotes about bear-baiting, current productions, and the list of fire hazards. — Let's Go

A tiny replica of the iconic London landmark hides on the side of the steel structure.  — Atlas Obscura

The National Gallery in London holds art works of the masters such as Leonardo da Vinci, Vincent van Gogh, and Rembrandt. Most importantly, entry is free! — Afar Magazine

Kenwood House was built as a gentleman's country home and was later enlarged and decorated by Scottish architect Robert Adam, starting in 1764. — Frommer's

Regent's Park in London lives up to its name and is quite royal, boasting rows of manicured flowers and plants. — Afar Magazine

Westminster Abbey, the huge Gothic church beside the Houses of Parliament, has been the setting for every coronation since 1066. — Concierge

Highgate is not the oldest cemetery in London, but it is probably the best known. — Fodor's

In a city of royal parks, this one—bordered by three palaces (the Palace of Westminster, St. James's Palace, and Buckingham Palace)—is the most regal of them all. — Fodor's