A beautiful, creepy 19th-century castle stands incongruously in rural Vermont.

This clock tower is all that remains of Bird Hall, constructed by one of the founding families of this Massachusetts town.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

The house where Rudyard Kipling wrote 'The Jungle Book' is also the location of the first tennis court in Vermont.

Millions of numbers carved in glass represent the tattoos forced upon victims.

This Canadian monument to the man who invented the telephone allows visitors to get up close and personal with the artifacts of his life.

A rare 16-bedroom Qing Dynasty house re-erected on the campus of the Peabody Essex Museum. 

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

No one really knows how these old hobby horses got here, but the herd keeps growing.

Once the largest public hospital for the mentally ill was also surrounded by controversy.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

The world's largest collection of historic U.S. military naval vessels.

Wally is the 26-foot-long fiberglass emissary for Garrison, North Dakota, one of the self-proclaimed (and hotly contested) Walleye Capitals of the World.

The oldest still-existing mosque in the United States sits in a remote prairie in North Dakota.

This museum is a full-size replica of an original church constructed during the 13th-century.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

The world's largest collection of the world's largest objects is in one small Illinois town.

Elaborate drama imparts an appreciation for 19th century hardships.

Chef Lawrence West serves up Indian tacos, wojapi, and other Lakota dishes at the brick-and-mortar incarnation of his popular food truck.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

A Winnebago Tribe collection featuring arrowheads, artwork, and a mysterious rock carving.