A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This 16th-century house tells the city's history through old artifacts and quirky tales.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

The most loyal of little dogs, or a Victorian era publicity stunt?

This small museum in a 17th-century building honors three iconic Scottish writers.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Protecting the dead from opportunistic body snatchers.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The final resting place of soldiers' loyal canine companions.

A sweet symbol marks the place where torturous executions were once carried out.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

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

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

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

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