The Flatiron Building's storied West Coast cousin is a lot more into religion.

Spiral labyrinth hidden in the hills above Oakland, CA.

This church also serves as a lighthouse complete with a beacon.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The United States Capitol's former columns still stand.

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

A hoard of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

The land is home to swimming ponies and a legendary 18th-century treasure.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This small fort played a huge role defending Puerto Rico’s capital city.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.