A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

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

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

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

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.

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

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

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

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

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

These barriers stand as stark reminders of Northern Ireland's troubled past.

A museum marks and documents the site of the Titanic's launch.

Northern Ireland's Brobdingnagian stepping stones.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This strange statue features a bust of the famous composer plopped atop a woman's body.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

The walls and streets of the ancient city are peppered with penises.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.