A tower devoted to — and modeled after — the Divine Comedy.

You have to know where to look in this rather ordinary-looking square to find hints of its past as a dissidents' cemetery.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

A beautiful young girl said to have been buried alive in her coffin…

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Xul Solar was an artist of alternate worlds, inventor of languages, and dreamer of utopias.

A bright little alley in La Boca is a part of tango history.

This beautiful fountain was sculpted by a female artist who was ahead of her time.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

Pop culture has helped to keep this iconic British building from being destroyed.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

A little slice of Japan and its aesthetics in London's Holland Park.

This statue in Holland Park might be one of London’s oldest outdoor statues, but its exact origins are unknown.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

According to legend, this tomb holds the secrets to time travel.

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

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

A large collection of solar and night-time telescopes dot a small area on the Teide mountain range.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

What many consider the original prime meridian and westernmost point of the old world.