This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Go surfing on this urban wave, "hacked" by local surfers.

The prototype for all Nazi concentration camps.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

This windmill has been grinding pigments for traditional paints for more than 200 years.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Old Danish castle immortalized in Shakespeare's Hamlet.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

Inside this mansion turned museum, the works of prominent Croatian artists are on full display.

A tiny church on a man-made island in the Adriatic.

This dome-shaped mountain boasts amazing views and has a rich religious history.

Perhaps the most spectacular grotto along the Algarve coastline.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Elaborate tile work in this railway station tells the story of Portugal.

A museum dedicated to the history and exploration of both popular music and science fiction.