Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

This canyon is named for a unique geologic formation where the river vanishes underground near the mouth of the canyon and reappears farther down.

Thousands of lawn gnomes have infested this Australian roundabout.

Less a museum than a bizarre fantasy world created by artists and engineers.

For those going through a life transition, a place to leave behind a piece of your former self.

The first outlet of Canada's biggest fast-food franchise has been slinging doughnuts since 1964.

Metal water storage tank turned ethereal concert hall.

In 1952, a strange encounter in the woods of West Virginia led to the legend of a 10-foot-tall monster with glowing eyes and a distinctive style.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

A beautiful oddities shop crammed with strange and morbid curiosities.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

Shop of curiosities with a dinosaur museum tucked in its basement.

Visitors to this shop will find fossils, minerals, meteorites, skeletons, oddities, and much more.

Try not to get slimed in Tribeca.

Once used to screen films for theater owners to rent, this historic building is now a start up hub.