In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

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

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This historic hotel invented the chocolate brownie.

Shop of curiosities with a dinosaur museum tucked in its basement.

A Bibliophile's Dream.

A speakeasy takes on Chicago's drinking culture.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A magnificent church designed by world-renowned architect, Frank Lloyd Wright.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

A museum dedicated to man's boldest venture.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

A museum celebrating the Victorian obsession with hair art.

This mosaic-covered bar is brimming with curated curios.

A Museum of Holography frozen in 1974.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

A small museum dedicated to the whimsical tool that turns sugar cookies into works of art.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

The modest, restored home of the legendary ragtime musician John William "Blind" Boone.

The only remaining Cold War–era Minuteman II missile control center in Missouri.

This museum presents a dogged pursuit of 500 years of veterinary history.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

This "little gallery in the middle of nowhere" is housed in a 170-year-old horse barn in the Missouri Ozarks.