This unusual structure may be on its way to becoming a cultural landmark in Toronto.

Former farm staffed by mental patients is now a public park.

Ruins of a historic medical facility sits eerily by the water.

The preserved remains of the former Milwaukee County Hospital for the Insane are hidden in the wooded grounds of County Park.

This memorial garden is the final resting place of many beloved pets including that of a famous explorer.

This whimsical garden filled with fairies and incredible creatures has been enchanting children—and adults—since the 1970s.

This spot in St. Louis, marked with a simple sign, has seen more pro baseball than just about anywhere else in the world.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

One of few surviving standpipe water towers in the U.S.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

A chessmaster's dream destination.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

A kitschy, creepy St. Louis mainstay.

A big museum full of little worlds.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

This mosaic-covered bar is brimming with curated curios.

European castle ruins in an American state park are actually the product of death and grief.

This abandoned iron furnace was one of the first to use coke—a type of high-carbon fuel—to make iron.

This lakefront cottage was crafted in the 1800s and was once a sanitorium.

Forever immortalized in concrete, this Simpsons etching was crafted by show creator Matt Groening.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

Statues of Ramona Quimby, Henry Huggins, and Ribsy the dog in the park where their adventures "really happened."

Instead of fruit, the branches of this tree are brimming with hopes and dreams.