A former suicide bridge is now accumulating symbols of love instead of a body count.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A battle between nature and architecture in the Cambodian jungle.

Vibrant street art created with mixed media.

Pilgrimage site for star-crossed lovers.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

A lover's walk between hilltop towns, decorated with graffiti love notes.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

Where commuters walk through remnants of an ancient Greek necropolis.

A "miracle" that seems to produce more holy fistfights than holy revelations.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

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

An unexpected desert oasis in South America.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

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