Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

This elegant monument to those who fought against fascism is inspired by the shape of the poppy flower.

Space-age monument to an early 20th-century uprising.

At just 51 feet and 10 inches long, it's the shortest street in England.

One of Europe's oldest libraries.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

Hidden in plain sight, this creepy sculpture watches from above.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

A miniature village mimics the surrounding buildings so well it includes itself.

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

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

This one-time health resort was used by aristocrats around the world.

Austria's very first and only nuclear power station was completed but never used.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

This cubist Vienna church building looks like some sort of alien stonehenge.

A unique hotel for the artistic soul.

Physicist’s epitaph provides final confirmation to a career of turmoil.

Visiting this café is like visiting the Austrian grandma you wish you had.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

Macabre museum devoted to historical Viennese murders.