A once-glowing grotto at the bottom of Waikapalae Wet Cave.

This blowhole is supposedly caused by a trapped monster.

Life and death are on parade at the most reliably perilous site of “the Great Migration.”

Get tall with nature's lankiest beasts and their warthog friends at this Kenyan preserve.

Kenyan restaurant is a carnivore's paradise, serving exotic meats at its ultimate 'Beast of a Feast.'

Five miles of underground river link lake to ocean.

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

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.