Three bridges and one giant canyon make up this fantastic Spanish settlement.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

An early 20th-century bullring converted into a modern shopping center.

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

Turntable anonymously received orphans, alms, and groceries.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

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.

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

At night, this memorial illuminates a ghostly outline of a footbridge that connected two sections of the Warsaw Ghetto.

The location of the world's first telescope demonstration.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

A retro Yugoslav congress, cultural, and business hall built in the 1970s, with an iconic world clock.

Arguably Belgrade's only example of pure Art Deco architecture.

Memorial to the 89 children killed during the NATO bombing of Serbia.

Belgrade’s oldest restaurant has a rather unusual name.

This statue of a 15th-century Hungarian military and political figure has become known for its resemblance to a particular cartoon knight.

Considered an architectural abomination by some, this metal-clad building is known as 'little red riding hood' by locals.

An open-air museum dedicated to tombstones and roadside stone monuments.