The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

This micro-industry of Latino cuisine along Red Hook's Ball Fields represents a victory in a food fight with the city.

Walk into the 19th century without leaving Brooklyn.

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

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

For over 300 years this little carving has been the city’s good luck charm.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Sniff the Titan Arum's rotting flesh.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

Elevated freight railway turned wildly successful urban park.

A terrific purveyor of natural history objects and curios.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Tucked away in a Prague park, a statue beloved by romantics honors a poet so nice they buried him twice.

Macabre astrological automaton clock dating to the late 1400s.

A church of bones, decorated with 40,000 human skeletons.

An enormous and lavish Gothic church in Czechia.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

A miniature golf course crafted inside the world's largest simulated cave.