Medicinal spa created with the discharge from a geothermal energy plant.

This five-foot-tall bronze bird is a memorial to a species that was hunted out of existence.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Walk in the footsteps of the gods and straddle two tectonic plates.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

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.

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

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

This park straddling the United States-Canadian border has been a symbol of peace since 1932.

This bridge over the River Cuale leads to a neighborhood that was once an escape for Hollywood's elite.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

This museum explores the grim reality of life in the earliest British colonies in America.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.