A tiny piece of the Moon is embedded in this stained glass masterpiece.

Largest cave system in Africa.

From scholastic to sepulchral - now under reconstruction.

The Vatican of the movie industry turned into an actual church.

The hermits of Karoulia protect their asocial lifestyles by living on the vertical face of a treacherous precipice.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

A Collegiate Gothic quadrangle that surrounds an 18th century secondary school whose financing came from the likes of Alexander Hamilton and Aaron Burr, among others.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

A curious friendship between two inanimate ladies.