Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

A modern museum dedicated to the fairytales and dictionary work of the Brothers Grimm.

One of the best-preserved, yet least visited stone circle sites in Cumbria.

A 16th-century artillery fort built to protect England against European invasion.

A mural commemorating a man who was instrumental in the development and expansion of Belfast.

Commemorating the landing of William of Orange with his European army on their way to the Battle of the Boyne.

For years, the remains of this ancient Roman fortress were hidden under an orchard.

An 800-year-old island castle in Guernsey's main harbor.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

This beautifully situated lakeside Roman settlement was likely built during the reign of the Emperor Hadrian.

Strange secondhand shop showcasing taxidermy and oddies

Site of one of World War I's most horrific scenes.

A swath of France so devastated by war it is still forbidden to go there.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

The shape of this old salt factory complex was inspired by the course of the Sun.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

From Vikings to nationwide rebellions, this castle has seen its fair share of warfare.

A curious collection dedicated to human and animal anatomy and pathology.

This 1960's Soviet submarine in Peenemünde Harbor claims to be the largest submarine museum in the world.

An icon of International Style architecture on the outskirts of Rotterdam.

A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

This museum inside Amsterdam's largest cemetery explores how people deal with death.