One of Hawaiʻi’s largest petroglyph fields contains a number of depictions of people.

The world’s second-largest flood defense barrier has protected London for decades.

A quiet trail near York's city center features a series of very small fairy houses.

A small but stubborn relic of Spain’s turbulent past hides in plain sight.

One of Madrid's most beloved statues is of an anonymous citizen.

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

At this century-old barbershop, clients used to be entertained with a glass of brandy and a cigar.

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

Along the pavement of this neighborhood in Madrid are quotes from famous authors.

These distorting, funhouse mirrors achieved fame in a renowned piece of Spanish theater.

Automatons that were once removed after one fell from the building.

A home for Spain's version of the Tooth Fairy, hidden in an old gas company register.

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

An automaton perched above an classic clock and watch store

This little sun pays homage to a massive gate that once stood at this location.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

Dedicated to a young woman who broke gender barriers at the University of Madrid.

An ancient healing font dedicated to an 11th-century matriarch was moved to make way for progress.

The remains of what was once the world’s largest spinning mill.

These once housed the families who decided in 1665 to quarantine themselves to save their neighbours.

Giant steel and concrete dinosaurs near Route 66 invite passerbys into a mineral shop.

How a lunch counter in Chile became a shrine to the 42nd president of the United States