Hidden high on a remote mountain peak is a humbling and mysterious Vietnam War memorial.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

A recreation of an Old West apothecary full of curios.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

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.

Abandoned silver mine strewn with wrecked and twisted structures.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

This naturally-sourced hot spring is now home to a clothing-optional resort.

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

The largest self-built castle in the U.S., six decades in the making.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Old submarine parts have been converted into faux whale fins.

A bust of the first president welcomes visitors to the only town in America called George, Washington.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

A nondescript Seattle restaurant inherited a piece of European history.