A botanically themed auditorium blooms within the world’s last operating double-decker theater.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

Little did a museum know, they possessed the last-known lunch wagon in existence.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

The 10-foot-tall vegetables belong to Michigan’s first food rescue program.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

America's first serial killer rests in anonymity.

A toxic ghost town sitting atop a massive coal fire.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

An old department store turned Nazi prison turned artist commune.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

A concrete block embedded with thousands of pulled teeth was created by a local dentist to memorialize his dog.

A humble homemade ride attracts visitors from around the globe to this small Midwestern town.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.