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

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

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

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

This urban oasis is a marvelous meld of music and landscape architecture.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A castle built by an eccentric medieval enthusiast in rural Ohio.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

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

America's largest man-made forest was planted in an effort to bring back the past.

A brick-paved former section of the historic coast-to-coast highway.

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

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.