A historic freight system that found the true gold rush is in tourism.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

It was once used as a classroom to teach mining skills to local high school students.

An Idaho legend carved out a cave village with his own two hands.

Rare and gorgeous birds abound in this protected wildlife sanctuary.

The first of Lancaster's "rural cemeteries."

The longest covered bridge in Delaware.

Alexander Hamilton’s creation caused quite a bit of controversy.

The decorations were inspired by an unlikely missing treasure.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

In which a local geological marvel becomes a quaint roadside attraction.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

World's first "penitentiary," meant to be humane, drove men insane.