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Stalactites

Cavern tour

Cavern tour

Lewis and Clark Caverns State Park is offering candlelight tours of the cave in December.

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Stalagmite in the Paradise Room

Stalagmite in the Paradise Room

A calcite stalagmite in the Paradise Room at Lewis and Clark Caverns that has grown to the top of the room's ceiling.

November 01, 2014 12:00 amLoading…
Stalagmite in the Paradise Room

Stalagmite in the Paradise Room

A calcite stalagmite in the Paradise Room that has grown to the top of the room's ceiling.

June 29, 2014 12:00 amLoading…
A detail of the base of a large calcite formation

A detail of the base of a large calcite formation

This base of a limestone stalagmite is made from material being dripped from the ceiling onto the formation.

June 29, 2014 12:00 amLoading…
Calcite formations

Calcite formations

Calcite formations line the walls of the caves at Lewis and Clark Caverns State Park.

June 29, 2014 12:00 amLoading…
Carved stairway

Carved stairway

An illuminated stairway carved into the limestone leads tourists up to the Paradise Room at Lewis and Clark Caverns State Park.

June 29, 2014 12:00 amLoading…
Per and Phillip Hogsten

Per and Phillip Hogsten

Per Hogsten and his son Phillip of Lund, Sweden, explore the caves at Lewis and Clark Caverns State Park.

June 29, 2014 12:00 amLoading…
Pam Schroeder guides tourists through the caverns

Pam Schroeder guides tourists through the caverns

Lewis and Clark Caverns State Park tour guide Pam Schroeder explains to a group of tourists the various features of the Paradise Room, the largest cave in the park.

June 29, 2014 12:00 amLoading…
Exit tunnel at Lewis and Clark Caverns State Park

Exit tunnel at Lewis and Clark Caverns State Park

Tourists make their way through the man-made tunnel which serves as the exit for the caves at Lewis and Clark Caverns State Park. The Civilian Conservation Corps built the 538-foot-long tunnel in the 1930s.

June 29, 2014 12:00 amLoading…
Tourists next to a large calcite stalagmite

Tourists next to a large calcite stalagmite

Tourists stand next to one of the large calcite stalagmite formations inside the Paradise Room at Lewis and Clark Caverns State Park. The room is considered to be one the most decorative caves in the northwest United States.

June 29, 2014 12:00 amLoading…
Tourists hike at Lewis and Clark Caverns State Park

Tourists hike at Lewis and Clark Caverns State Park

Tourists return from the caves at Lewis and Clark Caverns State Park.

June 29, 2014 12:00 amLoading…
Caverns at State Park show beauty increases with age

Caverns at State Park show beauty increases with age

Lewis and Clark Caverns State Park ranger Tom Forwood explains what makes the caverns unique in the Northwest of the United States.

June 29, 2014 12:00 amLoading…
Montana State Parks

Montana State Parks

Celebrate the 75th anniversary of Montana State Parks with this collection of stories on our state's prized locations. 

June 29, 2014 12:00 amLoading…
Looking at a fossil

Looking at a fossil

Eight-year-old Sam Wandrei looks at a fossil with his father, John Schrager, both of Shoreview, Minn., during a tour through Niagara Cave near Harmony, Minn.

July 05, 2011 6:25 pmLoading…
Niagra Cave

Niagra Cave

A tour group makes their way through Niagara Cave near Harmony, Minn. The cave is open to tours daily.

July 05, 2011 6:25 pmLoading…
Cave is well-lit

Cave is well-lit

Paved floors and new lighting were part of a construction project at Mystery Cave near Preston, Minn., that finished in 1992.

July 05, 2011 6:25 pmLoading…
 Mystery Cave near Preston, Minn.

Mystery Cave near Preston, Minn.

Interpretive naturalist Kery Erickson gives a one-hour tour of Mystery Cave near Preston, Minn.

July 05, 2011 6:25 pmLoading…
Stalactite and stalagmite meet

Stalactite and stalagmite meet

A column starts to form as a stalactite and stalagmite meet in Mystery Cave near Preston, Minn.

July 05, 2011 6:25 pmLoading…

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