A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

It's 2 billion years old!

It took over 100 years to decode this enigmatic epitaph for two buried brides.

A Canadian POW for German soldiers during WWII where prisoners hatched an elaborate escape plan.

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

Smallest house in Toronto sits on a lot meant to be just wide enough for cars to drive through.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Abandoned for over a century, this chilling train tunnel is now a destination for ghost hunters.

The way these carnivorous dinosaurs are posed is an homage to a classic work of paleoart.

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

The beauty of urban decay, hiding some dark secrets.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

A drab two-story office space in Delaware is a hidden tax haven for Hillary Clinton, Donald Trump, and over half the Fortune 500 companies.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

World Trade Center memorial likened to a woman's sexual organ.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

World War II bunker still standing on the New Jersey beach.

The final resting place of a famous 19th-century murder victim whose identity is still a mystery.

The final resting place of some of Staten Island's earliest settlers and their descendants.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

An allegedly cursed tree represents a town's reckoning with a racist past.

Rising out of a clearing in New Jersey's Pine Barrens is an Aztec-inspired monument to the "Lindbergh of Mexico."

This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.