An underwater city for the dead.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

An emporium for the weird, creepy, rare, and just plain gross.

Housing a morgue, rare and confiscated weapons, and autopsy remains, the Vancouver police museum displays the dark side of Canada.

A faux European lane smack dab in downtown L.A.

A bigger-than-life pun that has become a beacon of altruism.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

The small family-run business has kept alive the fading art of creating beautiful handmade book covers.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

A "Titanic" superfan changed his name to Jack and set up this strange shrine to the blockbuster, complete with Korean food and Tarot readings.

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Canada's oldest sugar maple has been growing since around 1500.

This sprawling collection of saintly relics includes such fascinations as wood from the Cross of Jesus and threads from Mary's veil.

Quite possibly the last cross all humans will ever see.

A regular looking rock with an unbelievable history.

A black and white painted wall creates an optical illusion in the California desert.

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

Nose around a unique collection of more than 300 natural aromas used to craft perfume fragrances.

Explore 10 acres of environmental sculptures.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

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