A steampunk airship "floats" above Hamilton Gardens delivering plants and compost.

An unusual and powerful memorial in which earthquake victims are remembered by empty white chairs.

New Zealand's west coast is one of the best places in the world to view these large seabirds.

The platform atop this verdant volcano was built with the help of a royal elephant.

A secret climbing tree hides along the side of a Costa Rican road.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

A massive underwater sinkhole made famous by Jacques Cousteau.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

Made famous by "Star Wars," these troglodyte homes face an uncertain future.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

The largest mosque in Cambodia was built to unite the country's Muslim community but soon sparked division and controversy instead.