The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

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

A unusual sanctuary for abused and exotic animals in South Jersey.

San Diego's most historic and haunted home.

Former hotel turned into haunted playground.

A haunted hill that supposedly defied gravity.

A house carved into a rock in the 1940s.

A multi-storied adobe complex has been inhabited for more than a thousand years.

The remains of diamond fever taken over by the desert.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Large Hadron Collider and the Birthplace of World Wide Web.

An impressive collection of dollhouses and an homage to the frog-leg canning industry.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

A mysterious light of unknown origin on the backroads of Missouri.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The 606 is a decade in the making.

A river with some unusual, and occasionally dangerous, habits.

A 100-year-old chair with joints "cemented by nature."

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.