A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

A downtown park built on top of unclaimed graves.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

A multiversal transit station located right below a highway interchange.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

This sidewalk tribute honors Colorado's great culinary creation.

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

Visitors to Salt Springs State Park are encouraged to literally put their two cents in Penny Rock.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Bowl in splendor, if you're lucky.

One kilometer of thick brass rod laid out before your eyes.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

A tribute to the hard-working men and women of Grumman, who crafted F-14 fighter jets.

Come for the pastrami, stay for the million-dollar art.

A unique work of art that was created without permission.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

Along a busy beachfront strip you may hear Frank Sinatra singing from one boardwalk home.