Floor-to-ceiling frescoes by local art students cover the interior of a nearly 200-year-old church.

For nearly 50 years this airplane that crashed during World War II remained missing in the remote Australian backcountry.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

This lonely gas station has stood at this location since 1917.

A remarkably opulent mansion with a tragic history.

The unfinished final resting place of some of Spain's most prominent politicians.

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

This ancient sword lay in a waterlogged tomb for 2,500 years, but managed to remain relatively untarnished and impressively sharp.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Spend the night in this formerly abandoned traditional Scottish village.

This enormous World War II relic is one of the largest wooden structures in the world.

This unassuming stone commemorates a condiment factory gone up in smoke.

In Kazakhstan, a colorful cathedral with many lives once survived the most powerful earthquake in the region.

A riverside park built around the ruins of a massive dam that collapsed in 1909.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

An abandoned suspension bridge on the Falkland Islands is crumbling into the water.

A retro walk through the history of the tube.

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

This vintage "streetcar boat" lay at the bottom of Lake Minnetonka until the 1980s.

An ancient octagonal weather station named for the eight Greek gods of wind.