The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

The longest living non-clonal organisms on Earth.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

An exotic wildlife habitat right off The Strip.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

This former lieutenant governor's home is brimming with curiosities.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

A museum has some wedding cake dating to the Teddy Roosevelt administration, and some bacon from FDR's.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

A house carved into a rock in the 1940s.

A monument to the legacy of the man who created Spongebob Squarepants at the school where his passion for art and marine biology began.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

Recovered suit of a cannibalistic West African gang.

An extensive collection of fine art devoted to man's best friend.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

Nikola Tesla's former home contains an homage hidden from plain sight.

The oldest surviving synagogue in New York City is now a soaring art space.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.