One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

Eighty million natural history specimens call this gargantuan museum home.

Pop culture has helped to keep this iconic British building from being destroyed.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

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

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

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

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

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

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

A memorial for public executions that dates back to the 14th century.

The Great Fire of London and the regulation of one-way streets both started in this alley.

The commemorative stone column conceals a secret laboratory.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

A pair of club-wielding guardians stand watch over London's first public clock to feature a minute hand.

A naturally mummified 2,000-year-old man.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.