See the imprints of ancient trees, burned and preserved by lava.

A Victorian-style home known as the “Castle on the Hill.”

A vertically floating hemlock controls the waves and weather at Crater Lake.

This century-old museum showcases New Mexico’s history through arts and crafts.

This stunning, technicolor array of geysers has occupied Ferril lake since 1908.

These free-roaming horses were once destined to disappear from the land.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

An ambitious developer built what was once the world's tallest fountain in a Phoenix suburb.

A cosmic pit stop just beyond the notorious Area 51.

The little-known second castle that William the Conqueror built in York.

Inspired by the Rialto Bridge in Venice, these three clustered bridges were just one part of a Slovenian architect’s grand vision.

Seek out ‘The Devil’s Court’ in this concert venue located in a former monastery run by an order of Teutonic knights.

An 18-foot-tall troll sculpture, made from recycled wood and materials found in nature.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A modernist landscape of water and sci-fi concrete.

A symbol of Texas pride.

An extraordinary collection of aircraft and spacecraft on display at the original site of the Boeing Company.

An eerie natural formation that looks right back at you.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

This sculpture of a bowler hat is complemented by a matching umbrella a few blocks away.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

An unexpected connection to Chicago awaits visitors on an island just off the California coast.

Chewing gum tycoon's memorial lies perched over wife's botanical gardens on Santa Catalina Island.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.