This record shop and unofficial black metal museum is an ode to Oslo's heaviest musical export.

World's strongest whirlpool.

A moody and picturesque riverside ruin overgrown with vegetation.

The ruins of a sixth-century monastery sit on the banks of the River Shannon.

The oldest cemetery in Belgium.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Local legend says the remains of Father Christmas lie within the medieval grounds.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.