A strange house built only at night, with rumored mystic inspiration.

The fossilized remains of ancient California redwoods.

Where a staggering 747 ships were constructed during World War II.

A trash dump made beautiful by nature's power.

Canyon walls shrouded in ferns.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

Community owned and operated, this property is home to a diverse set of nudists.

Take a drunken tour inside the world's largest known geode.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

Museum dedicated to awful artwork.

Beautiful steampunk ghosts of early Massachusetts.

A small chapel celebrating the spiritual bond between dogs and humans.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

Home of Philip Johnson, one of the 20th century's most influential architects.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

A massive sustainable farm designed by the mastermind behind Central Park.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A Mars simulation in the southern Utah desert.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

An experimental, automotive replica of Stonehenge.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A house carved into a rock in the 1940s.