Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

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

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

This small, hidden cove is home to abandoned boats.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

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

One man's swirling six-acre monument of stone.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

The first and only carousel with a lineup entirely of insects.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

One of the largest festivals of flowers in North America takes place, appropriately, in the Flower City.

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

The home, museum, and death site of Kodak's influential founder.

This parking garage was the site of what was - at the time - the largest cash robbery in history.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

Museum dedicated to awful artwork.

One of Los Angeles's first murals once vibrantly depicted the dangers of United States imperialism.

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

The final resting place of a space program monolith.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Rebuilt remains of a temple to Roman god Mithras.

Taxidermied cartoon heads, unseen illustrations, and famous characters all reside in this small gallery space.