Climb inside an iron crystal magnified 165 billion times its normal size.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

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.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

The world's largest wooden structure.

An eerie collection of the surviving structures from a past celebration of the future.

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

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Single runway interrupted by a busy road that cuts across its middle.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

Giant topiary dog once played a role in a terrorist bomb plot.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

A statue of a boy looks up at where the famous rival to the Leaning Tower of Pisa once stood.

This downtown Dallas art installation is always on the lookout.

A symbol of Texas pride.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Designed to allow funerals to proceed over the River Dulnain.

The United States Capitol's former columns still stand.

Flip your own pancakes in this old sugar mill within a Florida state park.