The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

This Peruvian bone silo lined with hanging human skeletons and hundreds of skulls is topped with a remarkable Michelangelo replica.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

This German bone house contains the remains of some 20,000 souls.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

In 1830, cemetery workers in Cham unearthed a chamber housing thousands of skeletal remains from the 13th century, which can still be viewed today.

In a small churchyard in Dingolfing, Germany the quaint Schusterkapelle is there to remind you of your imminent mortality.

A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The mystery of the Putim Ossuary involves a tricorn hat.

An Austrian house of bones filled with hundreds of intricately painted skulls.

Structure built from the skulls of vanquished foes.

A church of bones, decorated with 40,000 human skeletons.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An ancient Egyptian temple in the middle of Madrid, Spain.

The world's largest woodcarving collection includes dozens of Bible scenes and a wooden bestiary, all carved by one man.

The Real LegoLand.

A Perpetually Under construction Park.