Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Not quite the menace it once was, this monster still has some chops.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

A 20-meter (65-foot) robot towers over Tokyo Bay.

Every color in the rainbow awaits.

The original "capsule building" is a masterpiece of Metabolist architecture.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

A magical place that lets you play in and explore the world of Studio Ghibli.

When it opened during the final years of the embargo, all the drinks and cigars were free.

The oldest continuously operating fish market in the United States.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

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

A painfully obvious spy house sits right across the street from the Russian Embassy.

A derelict bit of transportation infrastructure hidden in the woods.

A historic neighborhood church is reborn as a psychedelic arts collective.

A wondrous old library overlooking the nation's capital.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

This grand gothic brewery has been pumping out suds for over a hundred years.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.