An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

The legend of a local monster still haunts this small town.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

This century-old roadside attraction is full of bizarre rock formations.

An ever-growing collection of rare and strange objects owned by local Arkansas illusionist Maxwell Blade.

The Ozarks' strangest dwelling.

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

The only diamond mine in the world where you can keep what you find.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

A beautifully eclectic mix of architectural styles.

The world's only museum devoted to the wonders of fluorescence.

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

A curious collection dedicated to human and animal anatomy and pathology.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

After Havre burned down, the best place to build was under the ashes.

An architect's childhood fantasy treehouse made real.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

San Francisco's newly reopened hands-on science museum.

A whimsical antique shop with a strong air of mystery, filled with items from ages, and what feels like worlds, past.

This shop specializes in oddities and Victorian-inspired wonders.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.