This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

An abandoned asylum where patients have been forgotten but their possessions remain.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

This stream-carved gorge has inspired poets, hidden smugglers, and trained soldiers, all without losing its beauty.

This antique prison is a tourist attraction with a sordid past.

A 200-year-old prison that now houses a peculiar crime museum.

A fake town founded by Western movie stars is now becoming a hip desert community.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

An unassuming secret door once led to a legendary watering hole.

This frequently-photographed waterfall takes only a short hike to visit.

A former plague hospital turned medical museum.

Secret Swing.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

One of the greatest maze designer’s greatest mazes.

400-year-old garden, restored to beauty.