Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The wild west is still alive and well at this authentic mining town watering hole.

The remains of the first saint from Alaska in the Russian Orthodox Church.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

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

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A 400-square foot model of historic Quebec is the playing field for a state of the art light and sound show.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

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

Oldest existing wire suspension bridge in the United States.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

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

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

A sharply wedged sundial marks the point at which each day in the United States begins.

Dine on ceviche tacos in the sea at this floating restaurant only accessible by boat.

A rare underwater observatory in the Caribbean that provides breathtaking views of vibrantly colored aquatic life.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

A historic presidential getaway on the continental United States' southernmost island.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.