Once a year, at exactly 11:11 a.m., this monument comes to life.

The unusual burial monument of Arizona's first governor.

The first permanent memorial to a unique secret weapon of World War II.

This small, unassuming street is now a canvas for color and creativity.

A geological mystery on Camelback Mountain.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A self-built castle made by a mysterious man.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

A mysterious "wedding cake" castle in the middle of the urban desert.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

History is hiding at the Morean Center for Clay.

An ornate Buddhist temple located in an Atlanta suburb, built by and for the Laotian community.

What is it about mushrooms that makes people wish they lived inside of them?

The inventor of the iconic Pringles can was so proud of his invention he was buried in one.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

Hawai'i's oldest wooden house was shipped around Cape Horn from Boston in 1820.

An ode to one of the first concerts broadcast via satellite.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

This World War II-era bunker is now packed with posters and props from movies and TV shows filmed nearby.

During the solar phenomenon "Lahaina Noon" this bendy, curvy sculpture forms a perfectly circular shadow on the ground.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

This unusual lava tube spouts seawater during high surf.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.