Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Water of undetermined depth has attracted rare fish and cult leaders alike.

The highest peak in the state of Vermont has some interesting features.

Beautiful hillside Vermont cemetery with amazing funerary art.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A monument to the art of slicing people open.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

The subtle science of a master molecular gastronomist.

Paranormal activity on the great lakes.

Iconic rock formations that allow for exploration during high or low tide.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

A tribute to Ponce de Leon's supposed quest for eternal youth.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

A six-story-tall golden pyramid, surrounded by a moat.

A "miracle" that seems to produce more holy fistfights than holy revelations.

The final resting place of 121 victims of the RMS Titanic, 42 of which may never be identified.

A massive Montreal stadium that has seen nothing but trouble since its inception.