Gelide e superbe cattedrali di gelo, in alcuni casi possono essere scalate per adrenaliniche ascensioni
© Istockphoto| Cascate del Niagara, Stati Uniti-Canada
© Istockphoto| Multnomah Fall, Colorado
© Istockphoto| Johnston Canyon, Alberta, Canada
© Istockphoto| Wildcat Canyon, Starved Rock State Park, Illinois
© Istockphoto| Aldeyjarfoss, Islanda
© Istockphoto| Skogafoss, Islanda
© Istockphoto| Gullfoss, Islanda
© Istockphoto| Svalbard, Norvegia
© Istockphoto| Vallone dell’Urtier, Cogne, Valle d'Aosta
© Istockphoto| Excalibur, Sottoguda, Veneto
© Istockphoto| Cascate del Niagara, Stati Uniti-Canada
© Istockphoto| Multnomah Fall, Colorado
© Istockphoto| Johnston Canyon, Alberta, Canada
© Istockphoto| Wildcat Canyon, Starved Rock State Park, Illinois
© Istockphoto| Aldeyjarfoss, Islanda
© Istockphoto| Skogafoss, Islanda
© Istockphoto| Gullfoss, Islanda
© Istockphoto| Svalbard, Norvegia
© Istockphoto| Vallone dell’Urtier, Cogne, Valle d'Aosta
© Istockphoto| Excalibur, Sottoguda, Veneto