An artificial crater field that trained astronauts for lunar exploration.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

This historic national park is covered in the stunning ruins of red rock pueblos.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

See massive fossils that are over 200 million years old in northeastern Arizona.

A self-built castle made by a mysterious man.

Electrical pylon in the shape of Disney's beloved mouse.

The world's largest private aircraft collection.

Step into the past and experience what life was once like in the Sunshine State.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

Step back into the glory days of Florida's nascent tourism industry at this Gilded Age palace.

The strip club's VIP lounge is actually a rare repurposed Futuro House.

This Florida museum dedicated to western artwork is entered through an artificial canyon with imported sandstone.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

A luxuriant botanical garden below sea level.

A 140-year-old castle with underground caves hidden in San Francisco.

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

A bronze tribute to a legendary Californian, the self-proclaimed "Emperor of the United States."

A whimsical antique shop with a strong air of mystery, filled with items from ages, and what feels like worlds, past.

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

This residential door allows San Francisco muggles a glimpse at the wizarding world.

The only visible piece of San Francisco's most famous shipwreck.

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.