This bakery and museum offers tours of the tastes and mythology of Aachen's signature spice biscuit—just don't ask for the recipe.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

A collection of abandoned typographic signs from Berlin and beyond.

One time home to turn of the century explosives, now hidden under the Bay Bridge.

Large collection from the 3rd millennium BCE.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Hang out with thousands of butterflies in one of the world's largest such enclosures.

This millstone commemorates a gruesome tale that may have been the source of the city's name.

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.

A rare and unique example of an 18th-century door latch calls this restaurant home.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

This embalmed man is one of the best preserved mummies from the Canary Islands.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

Worm salt and other local ingredients are on the menu at this cult favorite ice cream shop.

The bones of this aquatic dinosaur turned to opal over the centuries and the beast's remains were almost sold as jewelry.

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

One of Mother Nature’s geological gems, home to many prehistoric fossils.

Inside this Krakow church, an explosion of psychedelic color.