A world-class observatory in the California desert.

Famous and forgotten figures lie beneath the faded headstones and decaying planks of wood.

This large collection of tiny things revels in the art of fine machinery well made.

Get fishing gear and craft beer at this restaurant on the pier.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.

This unique sanctuary invites you to interact with the beautiful birds.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

This Pringle-shaped ledge makes for the perfect photo op.

A lawless town deep in Death Valley was famous for its riches and death rate.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

The wild west is still alive and well at this authentic mining town watering hole.

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

The best Tiki bar in Las Vegas.

See Hoover Dam and the bypass bridge from a perspective usually off-limits to the public, and float the upper part of the Black Canyon National Water Trail.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This quiet park's strange sedimentary spires were named after Kodak's color film.

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

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

A crack flared at the base provides a pathway completely through a sandstone ridge near Moab.

The fifth-longest natural arch in the world, and the longest outside China.

This remote Colorado canyon is home to the second-largest collection of natural arches in the world.