Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

Australia's largest traditional hedge maze features a Great Gnome Hunt.

Slum Settlement Filled With Mountains of Garbage.

An endless sea of white conical domes.

An ancient city exhumed from the depths of the ocean.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

A hyper-remote desert cave dramatized in "The English Patient."

A huge museum of much more than just agriculture displayed in a princess's palace.

The city-sized home palace of one of ancient Egypt's most powerful rulers gives us a rare look into the lives of the epoch's rulers.

There are ongoing efforts to preserve this village, the best known work of Egyptian architect Hasan Fathy.

In Egypt's expanding metro area, many of the neighbors are dead.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

Located near Cairo's El Korba district, the abandoned mansion continues to inspire mystery and rumor throughout the city.

The 16-foot sculpture of a hand looks out from his perch on top of an art gallery.

This quiet island in the middle of a bustling city is actually a volcano dotted with Māori ruins.

This aluminum “stairway to heaven” has impaled at least a couple of birds.

A giant doughnut was given to the small New Zealand town of Springfield to promote "The Simpsons Movie."

This unusual rock formation looks like an apple that has been neatly sliced in half.

One of the world's steepest streets seems to have houses sliding down it.

A gigantic sculpture garden is packed with innovative oddities.

A Maori village obliterated by an 1886 volcanic eruption.

The most southerly spot on New Zealand's South Island is home to surreally shaped, permanently mangled trees.

Known for the tunnel that leads visitors to the water.