This stunning mass of ice spans 121 square miles and is still growing.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Houses are tucked between, on, and underneath giant boulders.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

During an annual Catholic feast in this tiny Spanish village, men dressed as devils leap over rows of babies to cleanse them of sin.

Giant granite sculptures representing family on the northern coast of Spain.

Devastated landscape used for hundreds of years by the Romans as their primary mining site.

A completely underwater art museum sends a stark message about humans' impact on the environment.

"Alleys of Stone" form natural mazes in Spanish natural park.

This house's itty bitty size means no humans allowed.

A Spanish town built into the cliffs.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

A beautiful but toxic fountain of mercury.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

There's nothing shrimpy about the world's largest artificial prawn.

Concrete spud looks like the North American Sebago.

One of Australia's famed "Big Things," this giant fruit was once stolen as part of a publicity stunt.

One of the first big sculptures anywhere in Australia.

This 4.5-meter-tall statue of a native Australian bird marks Hydro Aluminium's 40th year in the area.

At five meters long, that is one big piece of foam poop.

A massive metal lobster welcomes tourists to a roadside restaurant.

A series of eerie metal stick figures are spread out over four square miles on the bed of a huge salt lake in the Australian Outback.