The little-known second castle that William the Conqueror built in York.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

The red letters in the literary pavement leading to the library form a mysterious code.

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

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

A gigantic collection of teeny, tiny books.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

The controversial final resting place of the equally controversial first president of Turkmenistan.

A huge monument to a bizarre book written by Turkmenistan’s longstanding dictator.

Sumptous memorial to a controversial independence.

A memorial to the thousands of Turkmen soldiers and civilians who died in a bloody 1881 battle.

A dictator's gold statue once rotated to face the sun on a 75-meter high marble tower.

This harsh mountain path was built as a strange attempt to improve the health of Turkmen citizens.

If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

This famed Silk Road oasis was one of the largest cities in the world before it was destroyed by a Mongol horde.

A fiery crater has been burning in the Karakum Desert since 1971.

The oldest housing complex in Riga is a mini timeline of architectural trends.

Over time, this castle grew to encompass the entire island.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.