An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

A former Confederate hospital serves as a remembrance of wounded and dead soldiers.

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

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

Home to the deepest rift anywhere on Earth.

A morbid piece of memorabilia from the most famous shipwreck in current history is just one of the many poignant artifacts in this Canadian museum's collection.

An ancient Viking village in North America that predates Columbus by 500 years.

This rocky spread has been squeezed up directly from the bowels of the earth.

Home of the world's smallest dinosaur footprints.

Cliffs that hold fossils, including the earliest known reptile, dating back more than 300 million years.

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

This sprawling collection hides many charms.

Three buildings constructed of over 25,000 multicolored glass bottles.

Rusty red sands line the shores of this Canadian Province.