Places riche103 Wants to Go

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

An abandoned 14th-century castle and prison complex on a small island in the Neva River.

An abandoned Byzantine fortress and notorious prison.

An abandoned resort in North Macedonia is a relic from the Communist Party of Yugoslavia.

Once the largest rope factory in Greece, this abandoned plant now stands like a ghost of industry past.

An abandoned 19th-century iron factory perched along the outskirts of an idyllic village.

Dubbed "Wistom" by locals, this abandoned factory is an urban explorer's dream.

This abandoned urban warfare facility is a dream come true for airsoft and paintball enthusiasts.

Underground tunnels once home to crime are now back open to the public.

The abandoned tuberculosis sanatorium is said to be one of the most haunted places in Canada.

An abandoned, deteriorating tuberculosis hospital from the turn of the 20th century.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

Arguing within this idyllic, circular volcanic lake is forbidden.

The 20-mile causeway that separates the Netherlands from the sea.

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

This steel frame is a skeletal mirage of a lost 16th-century stone building.

This extremely narrow tenement boasts a maximum occupancy of just two.

A unique opportunity to stay the night in retrofitted sections of sewer pipe.

A floating underwater hotel, created by a Swedish artist.

Live out your childhood construction fantasies in this one-of-a-kind gyrating hotel.

The massive white mound and accompanying water terraces are a striking geological oddity.

The home of Mahatma Gandhi during part of the 21 years he spent living in South Africa is now a guest house.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.