Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

A miraculous natural phenomenon known as "the spring that breathes."

One of the smallest towns in the United States.

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

An architect's childhood fantasy treehouse made real.

The first declared National Monument in the United States.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.

Vikings and Evangelicals have both had a hand in this replica medieval church.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This pebble beach is so beautiful that taking its rocks is against the law.

The arboretum whose marshy soil sucked up the dreams of housing developers.

This cave holds a surprisingly colorful variety of geological oddities.

A bizarre house filled with an astounding array of collections.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

A historic coal mine that doubles as a museum and tourist attraction.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

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