This hidden bridge is where local children leave gifts and messages for the island's fay folk.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

Florence’s mother built a stairway down to her daughter’s coffin so she could comfort her during storms.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

An enormous park-like oasis, full of famous Chicagoans' graves.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

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

The home of the first American-born saint is one of the only curved buildings in New York.

The mummified relics of an American missionary.

A former connection to City Island, it has been abandoned since the 1930s.

The first and only carousel with a lineup entirely of insects.

A fantastical bed and breakfast with magically unique rooms.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

A uniquely lettered street sign marks the corner where the iconic word game was invented.

This ancient oak tree plays matchmaker for singles willing to branch out from the usual dating scene.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

These eerie outliers of the lightning bug family glow a mysterious blue color.