Homemade rockets, dinosaurs, and robots make this New York small business much more than a furniture store.

One man's swirling six-acre monument of stone.

A museum dedicated to the legacy of Bob Moog and his pioneering synthesizers.

Sniff the Titan Arum's rotting flesh.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Detailed facade of a brownstone in Boerum Hill.

Famously misunderstood wonder of the ancient world

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Mile-long cave system near Great Smoky Mountains.

Enormous lake at the bottom of a unique cave system.

An ornate Buddhist temple located in an Atlanta suburb, built by and for the Laotian community.

This 13-foot smiling peanut in Georgia helped Jimmy Carter win the 1976 presidential election.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.