The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

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

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

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

A whimsical folk art garden full of punny pieces and a diorama containing 3,500 toys.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

Scientists use one of the saltiest bodies of water on Earth as a terrestrial base for studying water on Mars.

It's not a typo, now say it five times fast!

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

This fantastic cave remained unexplored until 1948 when three schoolboys discovered a hidden entrance.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

This army of concretions is an unexplained geological phenomenon unlike anything else in the world.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

This San Diego museum is dedicated to preserving women’s historic achievements.

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

A working miniature city designed to teach kids about safety and presumably city planning.

About 80% of all U.S. avocados are descendants of Rudolph Hass's glorious tree.

An artist's vision for connectivity spans seven continents and 16 countries.

Decommissioned experimental solar facilities that pioneered solar energy technology.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.