This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

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

Protecting the dead from opportunistic body snatchers.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

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

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

A 18th century graveyard and its astonishing cortege of macabre iconography.

360° views of the city plus five floors of optical illusions and hands-on science.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

These old World War II fortifications have been transformed into an unusual equine attraction.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

The former headquarters of history's oldest megacorporation.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Six beautiful wooden giants are hidden around Copenhagen.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

A set of seven houses, each built in a style that represents a European country.

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

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

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

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”