The rocks exposed at Valley of Fire State Park also occur in a much less known but equally spectacular area a few miles to the southwest.

A spectacular slot canyon at the northern edge of Lake Mead National Recreation Area.

The highest concentration of petroglyph sites in Gold Butte National Monument, plus an improbable early 20th-century dam.

One of the few remaining indigenous petroglyph sites in Nevada.

An unusual slot canyon in the Aztec/Navajo Sandstone has a cross-section like an inverted old-fashioned keyhole.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

This magnificent, quirky home sits atop a literal gold mine in the middle of the Nevada desert.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Remnants of 19th century vigilante justice.

A miniature world of concrete and stone in Springfield, Ohio.

This colorful, ornately-decorated cemetery sits next to a quiet cove known as "the beach of the dead."

An 18th-century battery complete with original kitchen and garrison.

Perched atop the highest hill in Cartagena, this 17th-century convent offers spectacular views of the city.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

The colonial city's social history is reflected in its fanciful door knockers.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

A former Canadian automobile ferry mysteriously appeared in the Black River 20 years ago, and now it quietly rusts away.

One man's collection of found art, sculpture, and ephemera adorns his two side-by-side homes.

This bridge uses an inverted bowstring truss and is believed to be the only of its kind in the United States.

Acres of English cottage gardens, unexpectedly nestled in a Cleveland suburb.