Places Gradius Wants to Go

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

This feat of Brutalist architecture is also known as the Three Sisters.

This modern tandoor eatery was once a canteen for Soviet farmers.

The history of Tel Aviv told through a work of art.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

A small museum dedicated to the history and design of German packaging.

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

Right up until the 20th century this network of man-made caves was the biggest village in Eastern Armenia.

Some 4,000 individual tiles make up this striking blue billboard from the golden age of air travel.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

An abandoned observatory in the middle of the Illinois prairie.

This decommissioned nuclear power plant offers tours of its Communist-era control room and reactor hall.

A decaying, yet still functioning, work of communist architecture.

The only residents of this abandoned housing development full of identical castles are stray cats and dogs.

This enigmatic Roman tower lurks just outside Belmonte.

This decaying complex from the early 1900s was once the site of massive iron and fluorite mines.

A 2017 crowdfunding campaign saved this historic castle from being destroyed.

The ruins of a medieval monastery built on a perilous slope.

Though an earthquake destroyed this village in 1980, one former resident still walks its streets every day.

A unique Soviet mosaic preserved on the facade of a shoe factory in Lviv.

This magnificent church allows travelers along one of Germany's busiest roadways a chance to rest and reflect.

These wooden pipes were crucial to providing water to Medieval Edinburgh.

This abandoned gold mine found a second life as a post-apocalyptic film set.

This historic floating crane became an unlikely symbol of the port of Trieste.