Those belting out show tunes in this West Village piano bar might not realize it marks the site where Thomas Paine died in 1809.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

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

An annual extravaganza of Broadway theater memorabilia.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

A registered historic landmark shrouded in unsettling local legends.

This downtown Dallas art installation is always on the lookout.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This abandoned subway station can still be seen on regular commuter trips.

This black shoreline is made up of exploded lava particles.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

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

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

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

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This historic hotel invented the chocolate brownie.

Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

New York City's smallest piece of private property.

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

The original toys that inspired the beloved children's stories are on display at the New York Public Library.