Hear the quietest sound from across the dome.

Remnants of a Victorian garden feature sitting in public woodland.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A crumbling hospital from the 1850s on Roosevelt Island.

Large Hadron Collider and the Birthplace of World Wide Web.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

This subterranean spot might be the epitome of Japan's baroque, retro coffee houses.

Meet the world's longest tapeworm in a collection that really gets under your skin.

A kitsch shrine dedicated to the ogre-slaying folktale hero born from a peach.

A replica of the straw hut where Vladimir Lenin lived in hiding, disguised as a hay farmer, in 1917.

An art museum inside an active factory.

This Russian museum stresses the importance of keeping clean and even holds one of Pavlov's dogs.

Palace where the nearly un-killable Rasputin was murdered.

One of the largest collections of socialist realist art shows the surprising depth of the official art of the Soviet Union.

An iconic Soviet statue of working-class people.

One of the last examples of Soviet architectural propaganda has a few technological tricks up its sleeve.

When German-Iraqi relations broke down, this embassy was vacated post haste.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A slice of central Asia in the middle of Berlin.