It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

The ornate structure is part of a building boasting more marble than the Vatican.

This small museum in a 17th-century building honors three iconic Scottish writers.

A library where thousands of books explain how to avoid another Great Recession.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

This Scottish museum is the only one in the world to focus not on one religion but all of them.

The oldest house in Glasgow is now a museum dedicated to the city's medieval history.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

A secret door leads to this cozy dive that sells only “milk.”

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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

A fake medieval village in the middle of Turin.

The astonishing collection of an infamous criminologist.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

A modern mechanical planetary system, part of a 10,000 year clock.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.