This fully restored synagogue explores the American Jewish experience along the old frontier.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

An abandoned 1970s theme park that has been turned into a space for waterfront walking.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The house is an iconic pilgrimage site for fans of the Illinois-based emo band.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

The palatial McDonald's that inspired Wesley Willis.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

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

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

This institution collects the history of burlesque dancing with a titillating collection of ephemera and pasties.

The best Tiki bar in Las Vegas.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

A secret greenspace hides atop a Capitol parking garage.