An eerie collection of the surviving structures from a past celebration of the future.

Despite being pillaged and destroyed a number over times down the centuries, this historic church still sort of stands.

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

This museum is home to one of the biggest collections of printing press technology—plus a river view.

An abandoned Indian-inspired mansion.

This remarkable prehistoric town is full of watchtowers and houses that have withstood thousands of years.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

A charming Spanish village sits atop this natural limestone overpass.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

This surreal-looking tree pruned more than 1,000 years ago is still producing olives for oil.