One of the largest caves in the world open to the public.

One of the tallest lighthouses in the world also serves as a monument to the fallen of World War I.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

This tower once served as a radar station during the Cold War.

An honorary saint of the people, Maria Adelaide became an incorrupt corpse, the clothes intact, exhaling “a strong scent of roses.”

One man's remarkable private collection of art from around the world.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

This remarkable checkered church on a Corsican hilltop is fabled to have been built by angels.

A miniature Corsican village built out of pebbles.

Sleep amongst an abundance of art from the modern era.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

A unique form of erosion created an uncanny landscape of boulders perched atop slender columns of clay.

Legend says the only thing buried within this magnificent tomb was a dog.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Monument to a suicide protesting the Soviet invasion.

Looming communist pillar with a Czech twist.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

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