This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

This small-town museum is dedicated to the original western movie mega-star.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

Mysterious glowing orbs float through the desert night.

A group of college students hauled a desk up a mountain more than 40 years ago. The notebooks inside have become a makeshift time capsule.

On a desolate hill overlooking McMurdo Station, a statue of the Virgin Mary stands inside a curved iron frame.

Only the original archway remains from the building where a false cry of "fire" started a panic that claimed more than 70 lives on Christmas Eve in 1913.

The birthplace of professional hockey on the shores of Portage Lake.

A tragedy and memorial that raised awareness about the dangers of unsealed mineshafts.

On the shores of Lake Superior, a small group of monks makes sacred sweets.

This lookout tower built in the 1930s is now an in-demand cabin with what might be the best view of the Seneca State Forest.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

The best Tiki bar in Las Vegas.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

A blast of nostalgia awaits visitors to this miniature indoor raceway.

A memorial to the unknown and unheralded men and women of the Cold War military and intelligence services.

This hidden, women-built-and-operated Nevada temple on Shoshone Native American land is dedicated to the Egyptian lion goddess Sekhmet among other goddesses.

The contents of this safe survived a 37-kiloton nuclear bomb.

A facility built in 1992 for an underground nuclear test remains in place today.