One man's prolific, decade-long quest to turn trash into artistic treasure.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

A beautiful oddities shop crammed with strange and morbid curiosities.

A Manhattan Episcopal church with an eerie underground crypt.

Astonishing collection of helmets, scientific instruments, and medical models.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

Underground tunnels remain beneath this abandoned mental asylum.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

The skeletal white beams stand as a monument to religious dissent.

No one really knows how these old hobby horses got here, but the herd keeps growing.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

A former Confederate hospital serves as a remembrance of wounded and dead soldiers.

Exact replica of the ancient monument, but much, much lighter.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

An unassuming island in the middle of the Hudson that hosts campers, including Aleister Crowley.

Brain collection and database that narrows the gap between man and animal.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

An astounding collection of medical specimens, including bits of President Lincoln.

A park full of outsider art, created by college students studying outsider art.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.