This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

An unsettling sculpture of a boy hanging out in a street in Ghent has been baffling visitors for years.

You would never come across this tiny green oasis if you didn't know it existed.

Explore 400,000 years of humans' "battle against darkness" in this offbeat but thorough lamp museum.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

This gruesome biblical parade celebrates the one day a year that a bit of Jesus' blood turns to liquid.

The tallest residential building in Africa is an unsettling Brutalist monolith.

One of the last examples of Soviet architectural propaganda has a few technological tricks up its sleeve.

An iconic Soviet statue of working-class people.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

No one knows who built this strange cave of worship or exactly why.

This mysterious complex of abandoned yurts and fading murals was meant to be a center of science and spirituality in Kyrgyzstan.

In the middle of a busy residential neighborhood, a small roofless church being reclaimed by nature.