A dilapidated psychiatric facility on the outskirts of Milan where electroconvulsive therapy was developed and Napoleon once lived.

The abandoned hospital whose elaborate ghost stories cover up the dirty truth - an uneventful sanitation issue and other mundane reasons for its demise.

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

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

The gargoyles and grotesques of the 21st century are here—22 emoji built into a new building in the Netherlands.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

An elevator into the Baltic Sea.

An entertainment center in a huge transparent tent.

The remains of a monument in the remote Kazakhstani desert dedicated to the only men to die in outer space, the crew of the Soyuz 11 rocket.

A huge boat-shaped hotel with a blood red pool and other oddities.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

Sacred Indian temple that’s all monkey business.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

A monument hidden in the woods built in 1938 as a getaway for a Dutch museum curator.

A bizarre form of natural mummification was discovered in the church of this Frisian village.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The highest point in Belgium is a staircase to nowhere.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

The floats housed in this hall are more than 100 years old, and are brought out for an annual celebration.

A vast museum devoted to North Korea's victories against its imperialist enemies.