This popular pitstop lives up to its name.

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

An automaton perched above an classic clock and watch store

The remains of this misplaced church were moved here stone by stone.

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

An ancient Egyptian temple in the middle of Madrid, Spain.

The remains of a convent turned military barrack in the heart of Madrid.

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

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

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

The unexpectedly beloved remnants of a controversial thermal power plant.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

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.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The quiet field that inspired one of the most famous songs of all time.

The Liverpool street made famous by the Beatles is real.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

An homage to Jackie Gleason's bus-driving character from 'The Honeymooners.'

During World War II this was the site of an "honor camp" used as a prison for draft dodgers, Native American conscientious objectors, and Japanese-Americans—including a man who brought his case against the camp to the Supreme Court.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.