Historic funicular railway, believed to be the shortest railroad in the world.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The private clubhouse for the members of the Academy of Magical Arts.

The legendary building that needed ghostly approval before being built.

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

The taxidermy remains of the most popular pony in children's literature.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Less a museum than a bizarre fantasy world created by artists and engineers.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

On the Hudson resides one of the largest clocks in the world.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Before Nixon, "watergate" meant canals.

A portal into the bricked up canal that runs through the heart of Washington D.C.

The home of the first American-born saint is one of the only curved buildings in New York.

The California capital city once stood 10 feet lower than it does today.