Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

A prohibition era watering hole for the police.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

See massive fossils that are over 200 million years old in northeastern Arizona.

One of the smallest towns in the United States.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

An ice cream parlor chain that caters to vegans and pinball fans equally.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

On the Oregon coast there is a natural hole that seems to be draining the sea.

The seamy, underground secrets of Portland's criminal past.