This golf ball–shaped former desert real estate office now houses a UFO museum.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

An eatery for UFO seekers on the Extraterrestrial Highway.

Three generations of intrepid collectors display their curious artifacts in a homemade museum right next to the caves they discovered.

A museum and tribute to a brave profession.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The world's largest military aircraft cemetery.

America's only nuclear missile silo open to the public.

Bird dung painted this huge boulder which in turn inspired the name of a city.

This tiny little island has, as the name says, just enough room for its single house.

A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

These locks on North America’s oldest canal are named after a porcine rock formation.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

The third version of this tall sailing ship sits, rusted and burnt, in Lake Ontario.

The absurd creation is a compulsory destination for selfies in Buffalo.

Ruins of a once-prized railroad station in New York.

A restaurant devoted to "trouser grip" wrestling, an ancient form of Viking wrestling that is Iceland's national sport.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.