The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

An abandoned pasta factory in the centre of Bucharest, once home to Bulgarian revolutionaries and a hub of crime.

After sitting unused for decades, this abandoned communist infrastructure became a wildlife utopia.

A chemical factory damaged by two earthquakes and an explosion that became abandoned after bankruptcy.

No one knows who built this strange cave of worship or exactly why.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

Gigantic Romanian salt mines used to heal respiratory conditions.

This massive underground salt mine now holds a sci-fi theme park in its depths.

The Natural History Museum that time forgot.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

A historic, reportedly haunted pub that provided inspiration for several famous adventure novels.

Perhaps the most obscure, simplistic Banksy installation found in Bristol or in the entire world.

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

A monument dedicated to the unrecognized Black "mother" of modern medicine.

This pedestrian footbridge honors Pero Jones, an enslaved African who lived in Bristol.

A unique sculpture cemetery dedicated to the region's defunct businesses.

After protestors toppled a statue of a 17th-century slave trader, the pedestal where it once stood remains unoccupied.

There's a labyrinth of manmade tunnels stretching for over an acre beneath Bristol.

The unpredictability of this pendulum's movements has drawn visitors to this magnificent church for decades.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."

The world's oldest model village.

Once called "the biggest room in the world," this Victorian-era hall is so large that it contains a smaller 1970s heptagonal theatre.