An eerie, protected forest of old-growth oak trees, many of which are now dead.

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

A Serbian church lit by chandeliers made of weapons.

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

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

A tribute to the incredible generosity the Choctaw Nation showed the Irish people during the Great Famine.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.

The gravestone of a delicate singer-songwriter bears a fittingly introspective epitaph.

The Bristol Camera Obscura housed in an ancient windmill.

One of Bristol's best-hidden gems has ties to Lord Byron, whence it became the nation's first reformatory school for girls.