An out-of-place grove of sequoias thrives in northern Spain.

How did a French journalist’s grave become the sexiest statue in the cemetery?

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Monasteries on rock pillars, once accessible only by frayed ropes.

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

The eclectic observatory castle of a 19th-century astronomer and explorer.

This huge abandoned fortress hidden inside a mountain holds a world of subterranean secrets.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

A living art gallery painted on a canvas of Monterey pine trees.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

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

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

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

Banksy's image of a naked man dangling from the window of a sex health clinic.

The Bristol Camera Obscura housed in an ancient windmill.

The world's largest reflecting pool is just two centimeters deep.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The anatomical-pathological collection of a man who changed surgery.

A historic arboretum and non-conformist, non-denominational park cemetery.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."