This basement museum explores the art and artistry of fascism.

This long line of cement defensive wedges is named after the famous chocolate bar for obvious reasons.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

The experimental test tracks of a retro-futuristic monorail still stand in the French countryside.

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

This whimsical stacked cabin looks like something out of a children's book.

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

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

Caves that can't seem to quit producing the remains of prehistoric humans.

Home to some of the oldest hominid fossils ever found.

This dramatic rail curve was once the target of a failed Nazi attack.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

This semi-secret storybook hedge maze is also the oldest garden in the city.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.