These crumbling Nazi artillery bunkers are now fair game for massive graffiti projects.

A chapel on a volcanic core, marking the end of a successful journey.

Since ancient times these picturesque springs have been providing bathers with healing waters.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

An abandoned beach resort in Normandy reclaimed by artists.

An aluminum skeleton brings Chinese mythology to the French shore.

These quaint French houses dangle precariously over a precipice.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

A serene temple with stunning stained glass hides in downtown Dallas.

A historic dam made famous for its turbines and feature in a Hollywood classic.

Unfinished monument to peace between Turkey and Armenia, long divided by a dispute over genocide.

This ancient abandoned church in a remote part of Turkey is in danger of falling over.

An abused and forgotten metropolis, abandoned for centuries.

Remnants of successive wars and Muslim colonialism in the 11th century.

The observation point offers spectacular views of the ruins of an ancient Armenian capital.

A chilly monument dedicated to the French explorer, Jean-Baptiste Charcot.

One of the world's most advanced radio observatories sprawls across the Atacama Desert.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

This series of waterfalls tumble into a radiantly blue river.

You can walk up Thailand’s naturally non-slip waterfall.

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.