An exotic wildlife habitat right off The Strip.

Elvis's own personal tropical hideaway.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Giant, friendly pelicans in Central London, the most unlikely of places.

An incarceration museum on the spot of possibly the oldest prison in England.

Hear the quietest sound from across the dome.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The celebrated eyesore created by starry-eyed sweethearts.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

Largest man-made excavation on earth!