The world's first fully-fenced urban ecosanctuary is a haven for New Zealand's rare and endangered species.

This now-abandoned shopping center in Playa del Carmen was built to resemble a medieval European castle.

These concrete crustaceans are actually public restrooms.

This immense scene of a cosmic battle between a jaguar and serpent illustrates the Aztec concept of the duality of life.

One of the very few mosques built by the Ottomans still standing in Croatia is now a Catholic church.

Maze-like streets filled with vibrant murals draw visitors to this Istrian town.

The medieval ferry service has been going strong since the 14th century.

This monument depicts a harrowing event involving an escaped polar bear.

Quotes and poems etched on stone plaques are hidden along this waterfront walkway.

Referred to as "the crappiest fountain ever," this sculpture has been splashing unknowing passersby since 1969.

This building's name and a plaque are all that's left of what was probably the most important nightclub of the Madchester music scene.

The Guinness Record holder as the "tallest cinema in the world" is a building with screens in almost every one of its 12 floors

These trenches were used to train the Scottish military for life on the frontlines of World War I.

A trompe l'oeil mural remembers the original colonial building that once stood here.

Several 12th-century ruins can be found inside this historical market.

An archway adorned with vulnerable flora and fauna.

The massive machine creates cracking displays of indoor lightning.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

Gdańsk's lion mascot features in a trail of bronze sculptures scattered all across the city.

Take in a sweeping views of Guanajuato—and save yourself a hike up a steep hill—on this funicular.

A quartet of tiled art pieces adorn the floors of this prestigious art museum.

A museum dedicated to firefighting in a city that was crucial to the modern history of the profession.

An 18th-century religious argument etched into stone.

During the renovation of this bas-relief, the constructors added one unusual element.