The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

The colorful stairs are made with marble from the world's major quarries.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

A unique seaside cave where Aleister Crowley faked his own death.

The world's oldest bookshop still in operation.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Once home to a Scottish baronet, this 18th-century historic house doubles as a legendary art space.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

The Scottish Reformation leader's grave was paved over and is now a parking lot.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

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

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

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

A series of three shiny letters mark the boundary of an old refuge for those being pursued by debt collectors.

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