America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

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

Elevated freight railway turned wildly successful urban park.

Discover the taste of mold.

Sniff the Titan Arum's rotting flesh.

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

An underwater city for the dead.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

A semi-scholarly approach to sex.

A terrific purveyor of natural history objects and curios.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Giant, friendly pelicans in Central London, the most unlikely of places.

The final resting place to 300 Victorian-era pets hides inside the city park.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

Medicinal spa created with the discharge from a geothermal energy plant.

The largest whale museum in Europe allows visitors to walk among life-size giants.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

An encyclopedic collection of mammal penises.

The celebrated eyesore created by starry-eyed sweethearts.

2300-year-old Roman road connecting the empire.

The only quarter of the Old City not dedicated to a major world religion.