This London plaque marks the spot where David Bowie's famous alien made his debut.

An artistic tribute to the famous singer, just around the corner from where he was born.

Abstract dinosaur models in London.

A mysterious artist-run cabinet of curiosities and library.

London's smallest police station is barely the size of a phone booth.

The remains of Crystal Palace Great Exhibition of 1851.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

A hospital where antique dolls are given new life.

The final resting place of the poets Shelley and Keats.

Architectureal fantasy quarter of Rome.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This fresco inside a Serbian cave church has been a source of disagreement.

Popular river that runs through the remote Serbian municipality of Leskovac.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.

The first European statue dedicated to the legendary musician.

This natural monument has an origin story steeped in legend.

The ridged layers that make up this river canyon represent Earth's geological history.

Beautifully carved tombstones fill this unmarked graveyard, uniquely situated near the village's famous stone wine cellars.

Structure built from the skulls of vanquished foes.