This community on a small Venetian island has taken to painting their houses in bright neon hues.

An alchemist's "magic door" stands in the middle of a Roman park.

Architectureal fantasy quarter of Rome.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This abandoned mansion has a window for every day of the year, and is a temple for ghost hunters.

An unexpected ghost village lurks on the southeast coast of Tenerife.

Numerous sculptures set along hiking trails symbolize and idealize the relationship between man and nature.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

A stately palace has been converted into the world's largest cannabis museum.

An architect transformed this abandoned cement factory into his castle-like workshop.

Wonderland replication in progress by one persistent man.

Week-long block party becomes a competition for the best decorated street.

Bacteria and algae give the salty water its bubblegum hue.

This cemetery features modernist statues as strange as its name.

The remnants of a facade from a 19th-century market stall emporium.

A multi-storied painting that depicts the area's rich and diverse maritime history.

This ruined travelers shelter sits abandoned in a desolate bog of Flow Country.

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

Scotland's first Masonic lodge may also be the oldest in the world.

This abandoned hospital village was once viewed as an innovative way to deal with mental illness.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

This brilliant display of whirling fireballs celebrates Hogmanay.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.

The healing properties of this well attracted royals and commoners throughout the Middle Ages.