The Catskills retreat of naturalist writer John Burroughs.

The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.

The 28-foot granite map plots the locations of 40 theaters in New York City.

Vermont's hills are alive with the sound of music at this historic hotel.

The Brigadier General was so afraid of being buried alive that he had a buzzer installed in his mausoleum, just in case he woke up.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

Local lore claims this park is named after a young woman who jumped off a cliff.

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.

A small cave hidden deep within the Jenny Jump State Forest.

A fictional town that was briefly brought to life before fading once again out of existence.

Yo, Adrian!

The lost town of Neversink, sunk by New York City.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

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

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.