The highest bridge in America was built for an almost unnervingly small amount of money.

The mountaintop inspiration for Umberto Eco's "The Name of the Rose."

This community on a small Venetian island has taken to painting their houses in bright neon hues.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A terrific purveyor of natural history objects and curios.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

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

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

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

The only surviving prototype of Buckminster Fuller's revolutionary car.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The stone-covered graves lie within the ruins of an Old West ghost town.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A reproduction of earth's many biomes.

A rare view of a preserved Victorian science museum.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

An unrealized dream to wirelessly electrify the entire Earth.

Fossils, railroads, and waterfalls!