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.

A preserved oasis with traditional Andalusian-style architecture and beautiful views of the Nile.

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

A safari-themed castle in the South African bush with the largest maze in the southern hemisphere.

The site of detentions and torture under the Pinochet regime in Chile is now a memorial.

The hauntingly beautiful interior of a church almost destroyed by protestors’ fire.

A moai decorated with the depiction of a European ship.

In a corner of Santiago's largest market, this inventive Mapuche eatery shows "ancestral cuisine" doesn't have to mean old-fashioned.

A volcanic crater that visitors can look inside.

It's just another skyscraper, but it's shaped like '90s cell phone.

Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.

This museum covers 10,000 years of Pre-Columbian Latin American history.

The world's most remote airport.

This iconic hilltop church doubled as a lighthouse in the 19th century, guiding ships into the port of Valparaíso.

The gorgeous murals at this open-air museum form the largest street art collective in Chile.

This large round boulder is said to emit spiritual power, but it may just be magnets.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

The ominously named cave is home to some remarkable ancient art.

A fantastical and futuristic temple of light built from nine monumental glass veils.

What was once a unique system of urban elevators is turning into a mechanical ruin.

A beautiful deserted greenhouse in the middle of a park.

The largest stone moai on Rapa Nui.

This restored colonial house was once home to the botanist responsible for bringing avocados to the U.S.