A tongue-in-cheek arcade where the games are based on everyday life.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

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

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

A magnificent mansion hides a delightful collection of historic timepieces.

A 4,000-year-old burial site hides behind a roadside Burger King.

Helped by a surprise posthumous donation this small town toy museum features over 5,000 vintage playthings.

A hill carving of the legendary dragon that terrorized the village of Bures in the Middle Ages.

This oddly placed 15th-century church is one of only six bridge chapels left in England.

Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

A complicated contraption for telling time by the moon.

A century-old tradition has culminated in a small but singular collection of feline effigies.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

One of the smallest bookstores on the planet.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

This cubist Vienna church building looks like some sort of alien stonehenge.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.