This historic old movie house was the scene of one of the Blob's most iconic attacks.

This apartment building designed by a notable Washington D.C. architect housed the Qing Dynasty's Legation.

The first museum in the U.S. to address human rights issues in China.

Also known as the Founding Church of Scientology.

A brass and marble scale model of the solar system embedded in the concrete.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

A giant toy jack made of numerous welded-together fire hydrants.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Metal monsters made from repurposed materials lurk alongside this Pennsylvania road.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

Visitors to Salt Springs State Park are encouraged to literally put their two cents in Penny Rock.

A gazebo that inspired the fifth episode of the "Twilight Zone" still stands in the creator's hometown

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

Step into a pastel time capsule where candy is truly dandy.

The abandoned coal loading dock is a canvas for unsanctioned art.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

A hollow cement depiction of time's inexorable effect on the human body.