A monument commemorating how a frontier town got its unusual name.

See massive fossils that are over 200 million years old in northeastern Arizona.

A sharp bend in a dramatic river canyon cut through red rocks.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

The world's largest sticker ball weighs in at a mighty 231 pounds.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

A smaller model of the Da Vinci sculpture that took 500 years to come to life.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The first declared National Monument in the United States.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

This was one of the first (and last) university-built and operated nuclear reactors.

Semi-recognized center of the world, with many oddities.

Despite a recent paint job, the factory still sits empty.

A collection of haunted objects and macabre oddities under one roof.

Tiki luxury on Nob Hill.

A park full of outsider art, created by college students studying outsider art.