A former special storage facility for documents during the Cold War.

Immortal combat in a Moscow museum.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

Moscow's imposing monument to the Space Age.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Former headquarters of the KGB.

Home of the future Emperors of Russia.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

A humble homage to a gravedigger tucked within the dignified English cathedral.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

This ancient Egyptian obelisk still bears the wounds of World War I.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

An ordinary lamppost situated in the middle of Cambridge has an unusual moniker and history.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.