This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Within the Dadès Gorge, amazing vistas and towering cliff faces can be seen at each new curve and bend in the road.

Over time, this castle grew to encompass the entire island.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

This severely painted building has a twisted connection to the witch hunts of the 1640s.

Carefully reconstructed after the Bosnian War, this 16th-century bridge stands as a symbol of the country's enduring multicultural heritage.

Different sections of the Zemun Fortress were built in the 14th and 15th century as a response to the advance of the Ottoman Empire.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

Artists made this mosque into a marvel of Ottoman baroque architecture.

Located inside Hoge Veluwe National Park, this museum began as the private collection of a prominent female art collector.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

Abbey built on the ruins of Roman catacombs.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Florentine Renaissance style building in Switzerland, home to the world's largest taxidermy Great White Shark.

In 1927, a biplane disappeared while attempting to complete the first non-stop transatlantic flight between Paris and New York City. This memorial stands at the last place it was seen.

Home to fantastic views and ancient graves.

This mountaintop mariner’s church is packed with model ships and nautical art while hosting an annual maritime festivity for the townsfolk below.

A fortified palace in the shape of a ship on the Thiou river.

700 iron sculptures crammed into a Mediterranean park.

This tiny cafe is one of the last meeting places of its kind, allowing revolutionaries a place to plot.

Fighting the British and making game shows for over 150 years.