Space-age minarets towering over Islamabad.

Tibetan-influenced mountain fortress in Northern Pakistan.

A 17th-century mosque that was used for war more than worship.

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

This grand Pakistani mausoleum can only be accessed via an almost 1,000 foot long alleyway.

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

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Bridge that died in war and was resurected.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The world's largest collection of witchcraft regalia.

Abandoned railway line circling the city of Paris.

France's most famous cemetery, with some of its most curious tombs.

An ancient jungle temple carved into a rocky overhang of the Dane Soung Plateau.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

A snapshot of the city's fascinating voodoo culture.

The second oldest continuously operating bar in Louisiana.

Macabre astrological automaton clock dating to the late 1400s.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.