Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

MIT students continue the legacy of beloved professor "Doc" Edgerton through learning by doing.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

Less a museum than a bizarre fantasy world created by artists and engineers.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

The world's second-longest burning light bulb.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A Texas museum filled with Broncos and Betties.

Crumbling hotel echoes with the sounds of the '30s.

See the sky in a new way through this art installation.

A modernist landscape of water and sci-fi concrete.

Welcome sign announcing Haverhill, MA, as the birthplace of horror rocker/artist/director Rob Zombie.

Former abode of notable poet, complete with literary references and stories of ghosts.

America's oldest archaeological site or a muddled case of wishful thinking.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."