There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

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

A miniature train-ride through Slovenia's largest cave system.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.