The remains of the great moral philosopher reside in a university in London.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Hidden beneath the streets of London is a secret subway that only carried mail.

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

Giant, friendly pelicans in Central London, the most unlikely of places.

The television series' iconic giant foot was borrowed from this classical painting.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This iconic Russian space museum sits on a landmark space production facility and houses the Vostok 1, the first manned spacecraft, that was also built here.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

This magnificent blue mosque in Afghanistan is surrounded by thousands of white doves.

Splashes of blue in an otherwise monotonous lunar landscape.

Rock-cut chamber at top of an outcroup, reached by a mountain stairway of forty steps.

200-foot-high minaret and only remnant of Afghanistan's lost city of the Turquoise Mountain.

The last permanent exhibit dedicated to the Soviet leader.

A grand imperial capital left to fall into magnificent ruin.

Wars fought and wars won are remembered by these abandoned bunker ruins.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

The patron saint of spinsters grasps a container of dried blood.

The fairy tale castle of the "fairy-tale king."

A decommissioned Soviet airplane has been used as a movie theater and a cultural center.