This historic hotel invented the chocolate brownie.

A hot dog stand where the heads are just as hot as the dogs.

This shop for all your super spy needs hides an educational secret.

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

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

A speakeasy takes on Chicago's drinking culture.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

These small, triangular, colorful houses are a staple of Madeira Island.

Explore the atmospheric ruins of an abandoned convent in the dense forests of Mexico's first national park.

Play everything you see at a museum dedicated to a town's historic organ industry.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

Europe's largest collection of matchbox designs is a fascinating exploration of the cultural history of the world.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Come for the bread-themed puppet show, stay for the buffet.

One man's remarkable private collection of art from around the world.

This architectural beauty is the home to a personal collection of more than 600 examples of mechanical musical instruments.

A lush oasis full of vibrant plants and striking geometric displays.

A micronation on an islet along the coast of a Portuguese island.

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

You can cross from one country to another in a single hop on this little bridge.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

A majestic hotel for dreamers rises from the center of a fairytale wood.