This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

A striking 12th-century-style castle built on the edge of a cliff.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

A ruined castle made famous in German movies and TV productions.

Wooden pathways run through this rocky landscape, which legend says was created when a dwarven king pulled down his own castle to stop raiding giants.

Take a walk in a recreation of ancient Rome.

Quite simply the largest tree in the world (by volume).

This abandoned amusement park was built on a site with a dark history.

High in the trees or suspended between cables, these surreal structures are the works of a unique Japanese architect.