This historic hotel invented the chocolate brownie.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

A hollow cement depiction of time's inexorable effect on the human body.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

An antiquated German apothecary on Chicago's North Side.

A Bibliophile's Dream.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The so-called "Statue of Liberty of Los Angeles" is on a one mutant mission to keep L.A. weird.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

Positioned outside a church, this sinister folkloric figure incited protests in both 1902 and 2002.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

If the tunes of antique organs and musical marionettes don't intoxicate you, the draft beer certainly will.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

How did a lighthouse wind up in the middle of this landlocked German city?

Centuries of warfare, tragedy, executions, and poetry come together in this 13th-century fortress.