Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

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

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

Happen to come across a dead eagle? Send it to America's official dead eagle warehouse.

Over 1.3 million confiscated wildlife products fill this macabre menagerie of illegal animal specimens.

The clock that sets them all.

A research lab and hands-on museum where visitors can experiment with retro technology.

Previously a hot spring, this park remains a site of unique history, wildlife, and geology.

The story of a Floridian city as told through an obscure sport for retirees.

An Aztec snake god has taken the material form of an apartment complex.

The ghostly remains of what was once the world's richest copper mine.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

See just what life was like in a 19th-century prospecting town.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

Many generations of travelers have passed through the steep, smooth walls of this canyon.

This massive redwood tree has a hole in the base big enough to drive through.