Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

Walk through living pictures and music in the Cathedral of Images.

A picturesque (all-natural!) beach in a landlocked state.

When ecosystems collide in the arid Southwest.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

The Italian revolutionary's legendary wife is portrayed on horseback waving a gun and holding her child in this memorial on the Janiculum.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

A stone monument acknowledging Scotland's right to have a separate Parliament from the one in Westminster.

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

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

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

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

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

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.