This small, but long-running hobby club has built one of the largest model rail lines in the US.

You can take a class, browse the library, or visit the lavish lair of an international men's humor society.

The 30,000-volume library is one of the world's most impressive poetry collections.

These mansions date back to Chicago's days as a brewer's paradise.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

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

Pizza with a side of fine art.

The world's only known button museum.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

All of Chicago's wood-paved streets are long gone but two alleys remain.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

The subtle science of a master molecular gastronomist.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

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

The oldest stone house in Paris was built by its most famous alchemist.

This curious fresh and salt water lake holds a secret that draws in deep divers from around the world.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

An early-19th-century hotel with a past that is steeped in the Civil War.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

Said to be one of Sweden's most haunted places, this vicarage once even attracted a ghost-busting priest.