The Hudson River School comes alive at this palatial estate.

Iconic Los Angeles residence famous for its 19 statues of Michelangelo's David.

A giant desert bird that once swung music fans at Coachella now has a home in a nearby traffic circle.

A tiny survivor of the Donner Party disaster.

A historic hotel in an old California railroad town with a rowdy reputation.

Where the writer penned his famous story about a jumping frog.

A dwindling menagerie of anthropomorphic oil derrick animals still dot the barren California landscape.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

Perched above the bustling town of Kerak is a sprawling, ruinous castle that has witnessed nearly a millennia of Levantine history.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

Singapore's last surviving traditional village is hidden among giant skyscrapers and modern infrastructure.

A former hardware store near Yerba Buena is the official home of California's history.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

A gigantic, symbolic artwork covers the side of the building.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Daily lunch spot for many of Washington, D.C.'s cab drivers.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

This demon atop the Notre-Dame de Paris looks utterly bored.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

Just outside of Jordan's capital lies an ancient castle and intriguing caves dating back to the Copper Age.

This 19th-century church is now a popular roller rink.