A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

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 otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

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

Protecting the dead from opportunistic body snatchers.

A book bound in the skin of an infamous criminal, along with countless other specimens.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The only quarter of the Old City not dedicated to a major world religion.

A "miracle" that seems to produce more holy fistfights than holy revelations.

The home of the Dead Sea Scrolls is an abstract modernist dream.

Millions of numbers carved in glass represent the tattoos forced upon victims.

Two thousand artifacts from around the world collected by one woman who loved to travel.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Deco Modern sculptures of the people of the Pacific, cast for the 1939 Golden Gate International Exposition.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

The headquarters of the famous Yale society.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

A modern day curiosity cabinet.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.