Places TeamDD Wants to Go

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

A 140-year-old castle with underground caves hidden in San Francisco.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

World's largest collection of serial killer artwork and other macabre exhibits.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A huge musical instrument played by the ocean.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

An accidentally hidden library containing the ephemeral history of New York.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

This once luxurious Catskills resort is now a haunting ruin.

Walk over a 150 year old manhole.

Tucked in the back of this amazing antique store is an important piece of medical history.

You must take the A train... to the last active cemetery in Manhattan.

Home to first responders to Greenpoint's devastating oil fires.

This relic of 19th-century infrastructure is one of the few remaining coal gas storage tanks in the U.S.

This 19th-century Hamptons windmill was once home to modernist painter Agnes Pelton.

Neoclassical bank designed by NY architects Helmle & Huberty.

It wouldn't be long after purchasing this farm, Brown would lead his siege on Harper's Ferry.

This Frank Lloyd Wright summer house was designed along Lake Erie as a retreat for a client's wife.

The ballpark in "Pigtown" where the Brooklyn Dodgers made their name was replaced with a huge apartment complex.