One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

An ancient knight and a symbol of the city's freedom.

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

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

In a sleepy village in Oxfordshire, the visionary English writer's gravesite attracts a yearly pilgrimage.

This commemorative stone was erected near the first Scout campsite.

Legend says this public grazing area hasn't been plowed for thousands of years.

The spot where Oxford garnered its name was also home to a medieval philosopher and includes a house covered in statues.

This 11th century tower is said to be the oldest building in Oxford.

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

The only arched bridge made of stone on the entire Mississippi River.

This old residential building was once the largest flour mill in the world.

No one's quite sure where this quirky university tradition originated.

20,000 pieces in a Frank Gehry-designed building.

When flour explodes, it's not a pretty sight.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

One of two giant blue cockerel statues erected with an intentional double meaning.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.