A Nazi concentration camp and Anne Frank's place of death.

The heads of two giant mythological water horses honor Scotland's horselord past.

The largest greenhouse in the world is home to over one million types of plants.

A unique journey back in time to an early 20th-century fairground.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

The world's first purpose-built motor racetrack was destroyed by the outbreak of two world wars.

A plaque is all that remains of a lost Oxford transport hub.

This nondescript building was the birthplace of Morris cars.

Site of the first hot air balloon flight conducted by the first English balloonist.

The lantern carried by the infamous Guy Fawkes when he was arrested while attempting to blow the houses of Parliament and the King of England to smithereens

A hidden plaque is the only reminder of the lost palace where two storied English kings were born.

The beautiful non-repeating pattern honors the Oxford professor who discovered it.

This hidden 13th-century tavern room has a few Shakespearean connections.

The stoic structure boasts a whimsical set of stained glass art commemorating Lewis Carroll.

The shop where the girl who inspired the beloved character once bought sweets is now a book-themed commercial curiosity.

Hidden in plain sight, this creepy sculpture watches from above.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A celebration of capitalism in Midtown.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.