This expansive bridge in the Canadian wilderness was originally just built for friends.

Water and windows define this defensive Italian well.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

A 16th-century horror show built in a lovely Italian garden.

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

Home to a vast and influential collection of Shakespeareana.

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Constructed in the 1920s, this former pencil factory is now an office building.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

A renegade art installation in a small Vancouver park is now officially sanctioned by the City Parks Department.

What happens when a sculptor has to find a way around a 100-year-old copyright.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Believe it or not, the now-ubiquitous California avocado originated in Guatemala.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

340-foot statue built to honour the Heroes of the Soviet Union.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

A mysterious "wedding cake" castle in the middle of the urban desert.