This 19th-century benevolent society and jazz hall was rescued from abandonment to again host live music.

A chilling monument to Korean patriots who resisted the Japanese occupation.

Overlooking the harbor is a beautiful neglected mansion guarded by two Egyptian sphinxes.

This famous city eluded concrete detection until the early 2000's.

A crumbling hospital from the 1850s on Roosevelt Island.

This school was constructed in memory of Korean Confucian scholar Yi Hwang.

Crumbling hotel echoes with the sounds of the '30s.

The ruins of this Brazilian island prison still bear the scars of the bloody rebellion that closed it down.

Try not to get slimed in Tribeca.

This Croatian island is for sale but no one is buying due to the dozens of accused Nazi sympathizers who were massacred there after WWII.

A mysterious air force base built to resemble a Long Island fishing village.

A submerged village appears when dam levels drop.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

Plenty of old carney magic still haunts this photogenic amusement park.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

A ruined hotel with an unlucky history and an eerie present.

Right up until the 20th century this network of man-made caves was the biggest village in Eastern Armenia.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

The decaying remains of a once-luxurious Soviet spa town.

George Martin's Caribbean recording studio now rots within the shadow of an active volcano.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

This ghost town in Belgium will lose its street art when it ceases to exist.

The world’s highest ski resort was deserted after an 18,000-year-old glacier melted away.