At almost 1,000 years old, this is the oldest known door in all of Britain.

Explore nearly 400 years of English middle-class home life.

The curios of pharmacist and collector Henry Wellcome.

An enormous, inside-out glass globe built in 1935.

These morbid carvings remind churchgoers of the inevitability of death.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

This coffee shop lies hidden beneath a historic church.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

An ancient woodland that inspired a young J.R.R. Tolkien.

An unusual round church in London with a Templar past.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Paris' linguistic guide to the international language of, yes, love.

An enormous and lavish Gothic church in Czechia.

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

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A surreal statue honoring Prague's favorite literary son.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Six paintings reminding you that death is integral part of everyday life.