This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

A popular winter vacation destination for migrating monarch butterflies.

California's oldest wind harp represents a historic piece of America's Danish history.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

100 massive sculptures in the Hudson River Valley.

Get up close to emus and ostriches, or buy their tasty meat.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

Commemorating the spot where the famous scientist fed his pigeons.

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.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

A bit of retro transportation flair preserved in the world's largest department store.

An artist's cute bronze subway sculptures belie his violent artistic past.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Lie in a hammock where George Washington stood.

One of the most unusual geological features, recognizable from a dozen hit movies.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

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

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.