A spooky defunct railroad tunnel now part of a sprawling trail.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

This old-fashioned roadhouse's quirky neon sign is as famous as its enormous dumplings.

A small, fascinating fire museum hidden in plain sight in an administrative building.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

A fine, large-aperture telescope available for public use.

Over 75 historically themed murals grace the walls of a small Washington city.

Perhaps the world's only gas station inspired by a political scandal.

Tiny horses tethered to antique rings are scattered around the city.

Hundreds of handmade critters fill this tiny window gallery in the heart of Portland's Alberta Arts District.

A museum dedicated to the history and exploration of both popular music and science fiction.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

No one knows how many bodies are in this vault in a Chicago public park.

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

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

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

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

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

Home to a protest movement, a bombing, and a dramatic change in labor history.

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

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

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

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.