The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

What remains of the summer palace of King Kamehameha III.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

The television series' iconic giant foot was borrowed from this classical painting.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

The oldest inn in England served brew to the crusaders.

A house of bones — but nobody is quite sure to whom they belong.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

England's most notorious suicide spot.

A historic arboretum and non-conformist, non-denominational park cemetery.

Museum about life, death, and cannibalism in the Stone Age.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Held in a fort that once stood for colonization of the area, this museum now tells the history of its indigenous people.

Ancient artists in the middle of nowhere.

Tracks of ceratosaurus and Coelophysis rhodesiensis tracks can be found fossilized in the sandstone near Mt. Etjo.