One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A beautiful oddities shop crammed with strange and morbid curiosities.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

A small Richmond island dotted with the remnants of hundreds of years of history.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

An alternate history park where the Union Army loses the war... to dinosaurs.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

The isolated final resting place for perished coal miners.

This abandoned train tunnel has been the subject of countless ghost stories for years.

The farming museum contains an extensive taxidermy collection, including the world's largest stuffed horse.