Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Rippling sand dunes frozen in the Arizona rock.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A psychedelic labyrinth on the San Francisco bay.

World's largest collection of serial killer artwork and other macabre exhibits.

What was to be the world's most secure Cold War document vault ended up as just a few shallow caves.

Greenery cloaks this serene sculpture inspired by the famous Lost Gardens of Heligan.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

This Quebec estate is home to the elaborate gardens of a self-taught horticulturist.

While these wooden totems bear a striking resemblance to First Nations artwork of British Columbia, their actual origins lay on the opposite side of the Pacific Ocean.

305 homemade stone stairs wind their way up the Hamilton escarpment.

A high point in Vancouver kitsch.

These strikingly barren, rolling red hills were caused by bad farming practices.

The ruins of the "20-year town" lay out among the mountains of Alberta.