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

Hundreds of thousands of ancient documents offer a unique glimpse into Jewish life in Cairo.

This full-sized orange tree lives suspended in mid-air above the streets of Jaffa.

Oldest Protestant church in the Middle East, designed to resemble a synagogue.

Just in case you need some cold cash at the top of the world.

Tibetan-influenced mountain fortress in Northern Pakistan.

Known as the most dangerous bridge in the world, the Hussaini Hanging Bridge is only one of many precarious rope bridges in Northern Pakistan.

Space-age minarets towering over Islamabad.

This dazzlingly turquoise mountain lake was created in the wake of a natural disaster.

The unbelievably opulent home built for an infamous newspaperman.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

The world's second-tallest flagpole stands proud despite dropping rank.

A shrine built to combat the bad karma of a commercial venture.

The controversial final resting place of the equally controversial first president of Turkmenistan.

A memorial to the thousands of Turkmen soldiers and civilians who died in a bloody 1881 battle.

Sumptous memorial to a controversial independence.

A dictator's gold statue once rotated to face the sun on a 75-meter high marble tower.

This harsh mountain path was built as a strange attempt to improve the health of Turkmen citizens.

If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

This cavernous swimming spot doubles as a home to the largest known colony of bats in Central Asia.

A fiery crater has been burning in the Karakum Desert since 1971.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

Light still pours into the ruins of this ancient Islamic observatory.