This historic Boston building has gone from personal estate to porn theater and back again.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A nourishing complex of found object art, paintings, and sculptures that celebrate key figures in Black history.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

The final resting place of New Orleans' most famous voodoo priestess.

The ruins of this ancient fortification wall sit in the middle of a quiet, residential intersection.

This Ottoman-era Greek Orthodox Church was built to honor Agia Pareskevi, a Christian saint.

The seamy, underground secrets of Portland's criminal past.

A museum dedicated to the history and exploration of both popular music and science fiction.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

This historic early-20th-century building still boasts some of its original features.

This tiny old water tower once doubled as a makeshift jail.

A unique blue and yellow phone booth in America's "Little Sweden."

This artsy public restroom is shaped like a giant john.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.