Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

The pockmarks across the building's facade are remnants of the Blitz.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

An architectural oddity hides in plain sight on this iconic London bridge.

The Tudor-style cottage in the middle of the square is not quite what it seems.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

This one has sailed five times as far as Sir Francis Drake's famous ship.

This secluded walkway overlooks a magnificently wild London green space.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

The world's oldest bookshop still in operation.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.