Places TeamDD Wants to Go

One of only two commuter aerial tramways in the United States.

New York City's smallest piece of private property.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A dilapidated dock tells the story of Titanic’s missed arrival.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A crumbling hospital from the 1850s on Roosevelt Island.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

A terrific purveyor of natural history objects and curios.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

The simple log cabin of a famed loner and naturalist stands preserved as a symbol of the ultimate DIY lifestyle.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

This shrine to the patron saint of Alaska sits on a small tidal island and was built from the land’s own beach stones.

The ruins of this Alaska gold mine form a gorgeous ghost town.

A trading post in the North Pole where children send letters.

Four-story concrete hotel never opened to customers.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

The king of U.S. high points towers over every other peak on the continent.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

This restored log building was one of the first toll booths for travelers along the Northern Turnpike.