Fortifications built for a Soviet invasion that never came now sit abandoned in a losing battle against nature.

The oldest residential street in Europe also features an optical illusion.

The only Shinto shrine in Europe that has been officially sanctioned by Japan.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

This museum located in Fondi is also said to be the most haunted building in town.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

Far from the shore, this sandy victim of the Skeleton Coast looks like it was plopped in the middle of the desert.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

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

The statue honors an adventurous seafaring cat.

The world’s tallest outdoor lift stretches along the stone pillars that inspired the floating mountains in the movie “Avatar.”

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

This Roman underground canal was the longest tunnel ever built until the late 19th-century.

This one-window stand has been home to a giant vat of slowly simmering meats and an array of unique tacos for almost 50 years.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The rusting hulk of a hand-powered, nearly 160-year-old submarine abandoned in 1869 due to the ravages of decompression sickness.

Disused penal colony features prisoner artwork, some sketched in human blood.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

A secret climbing tree hides along the side of a Costa Rican road.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.