The mystery of the Putim Ossuary involves a tricorn hat.

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

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.

A huge museum of much more than just agriculture displayed in a princess's palace.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

The largest and most famous wax anatomical collection anywhere in the world.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

Thousands of lawn gnomes have infested this Australian roundabout.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

An encyclopedic collection of mammal penises.

This museum glorifies the humble potato.

Ever wanted to can Spam?

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

The world’s largest collection of angel figurines includes 600 black angels donated by Oprah Winfrey.

A showcase of canine neckwear spanning five centuries of doggie fashion and function.

A collection of 4,000 thimbles that's more versatile than one might imagine.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

Half-eaten food on display at an English café.

This majestic building, where Brazil's coffee brokers once bought and sold beans, now houses a coffee museum.

This German museum devoted to the simple wonders of salt is actually built over an old saltworks.