This historic theater's pipe organ still accompanies silent films just like it did in 1929.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

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

A display of magnificent stained glass windows is the first exhibit of its kind.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

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

These abandoned grain silos and tunnels are an urban exploration dream.

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

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Where manatees are the snowbird vacationers in these balmy Florida springs.

A beautiful 62-acre Catholic shrine and botanical garden.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

America's only nuclear missile silo open to the public.

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

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

Dramatic river bend surrounds a natural red-rocked pedestal.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

A European-style bath house in Chicago.