Longest fortress system anywhere in Europe.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A musical instrument played by the sea.

This city's cultural center is in a restored Spanish colonial home from the 1800s.

A farming family's tribute to the pack animal.

A series of modernist, abstract sculptures form a route created as part of the 1968 Olympics' Cultural Olympiad.

The world's tallest carillon is located at the top of this skyscraper in Mexico City.

A plaque on the base of this statue holds a bewitching design.

A Spanish Colonial fort now houses an archeology museum.

One of the best examples of Modernist religious architecture in Mexico City.

Venice's island of the dead.

An ancient stone with mysterious origins stands in a residential neighborhood.

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

The building of this town's first purpose-built cinema theater now houses a restaurant, but its walls still represent a distant heritage.

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

A church that bred legends, and served as an inspiration for the Da Vinci Code.

This ancient gaming tool was unearthed during the construction of this former town's central square.

To make itself stand out in a city renowned for its numerous museums, this photographic archive resorts to immersively-themed exhibitions.

A solitary lighthouse in Spain was an inspiration to the great Jules Verne.

This 15th-century structure had a long, tortuous journey to its current location.

This memorial was raised in honor of a group of workers heavily impacted by the 1985 Mexico City earthquake.

A cenote sitting in the middle of a parking lot shows the Yucatán Peninsula at its most urbanized.