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

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

Veritable museum of 20th century country music history.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

Circus cemetery for all the “showmen under God’s big top.”

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

A simple Colonial home with a past haunted by death and madness.

Guns that have been defending San Francisco since 1904.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

A ring of creosote bushes that are estimated to be 11,700 years old.

Every animal in the torah taxidermied and crammed into a Brooklyn townhouse.

Moving, mind-blowing metal sculpture work of an outsider artist.

One Confederate statue that accurately reflects the ugliness of its subject.

A hidden architectural treasure in New York's Brooklyn.

A wacky, UFO-shaped house in a suburban neighborhood.

Restaurant in a 1741 farmhouse that touts the story of its haunting on its menus.

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.

I fought the law and the precinct caved in.

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.