This bakery and museum offers tours of the tastes and mythology of Aachen's signature spice biscuit—just don't ask for the recipe.

This small window display is dedicated to the noble carrot.

A distinctive former power plant turned university lecture hall looks like it could make you breakfast.

No need to strap in for a "ride" on this walkable roller coaster.

The monumental home of Prussia’s eccentric "Cannon King."

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

A beautiful maze marks where three countries meet.

The tallest mountain in mainland Netherlands isn't actually very tall.

Museum covers every step of the chocolate-making process, from cultivation to the finished product.

The highest point in Belgium is a staircase to nowhere.

One of the only spherical 19th century gas containers left today.

Art historians have debated the identity of this medieval stone rider since the 19th century.

This famed marionette theater and museum is bursting with imaginative string puppets.

This painted Lego bridge is the product of over a century of locomotive history.