An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

The most famous location in China was home to whole dynasties worth of imperial rulers.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

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

In the early 1800s, surgery was also a show.

Dr Barnes' $25 billion private collection of art and arboretum.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

The magic's in the hole!

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

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

Home to items never before seen by the public.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

Former self-sufficient mental institution now a planned community.

World's largest Christmas store.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

This quirky hot springs town known to locals as "T or C" was named after a radio show.