The unique collection includes bronze cast handprints of some of America's most famous astronauts.

St. Augustine's record-setting narrow street was designed to protect against pirates.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

It's a pretty creepy lock-up.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The last SR-71 ever constructed.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.

Visitors to this library are in for a real-world education in modernist architecture.

Jurassic Park—A Still Life.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

A tunnel with windows, so you don't miss out on the impressive views.

The largest island on the great salt lake is home to curious creatures and strange stories.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

This pop-culture shop also offers the chance to become part of their favorite tv show or movie.

Supposedly Satanic numbers adorn this preserved submarine sail.