This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

This derelict building used to house infirm Freemasons, their widows, and orphans.

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

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

20-foot tall lamp mumbles Swedish to celebrate the holidays.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

Legs Inn provides Polish food, a cornucopia of Native American artwork, wood carvings, and mounted deer heads.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

A once grand hotel is being retaken by the wilderness it once capitalized on.

A botanic garden full of trees twisted into fantastic shapes and positions.

The museum moved on, but the diorama remain.

This freshwater spring fills with 10,000 gallons of water per minute.

The home of 1.5 million wood letters for printing is still a functioning workshop.

There is an art, a science, and certainly a responsibility to occupying The Big Red Chair, and this is where it's learned.