Places Edited by Eric Grundhauser

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

This "common-as-dirt" museum celebrates the glory of normalcy.

This simple roadside art installation ended up sparking a folk art movement and a controversy of international proportions.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

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

One of the largest amphitheaters in Europe is a former Nazi German gathering place that still stands today.

A mouldering Colombian bull ring stands as a reminder of the country's complicated relationship with a brutal sport.

One of the most powerful computers in the world can be visited by anyone who wants to experience more computing than they can handle.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

The field of tiny caves that mark this Chinese cliffside are each their own historic Buddhist temple.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

This ancient Hawaiian henge may have been an early star chart.

One of the tallest mountains in India was closed for years after a botched CIA mission.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

The mouldering manses of wealthy colonials still pock the streets of a Curaçao neighborhood.