Self-built house and sculpture park where the creator can still be seen in a glass coffin.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

The Ozarks' strangest dwelling.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

One of Ireland's most infamous prisons for rebels including men, women and children.

An extravagant western hotel where every floor is the "ground floor."

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

An homage to everyone's favorite prehistoric cartoon family.

More than a century old, this trading post resides in the Navajo Nation.

Although it also features red, orange, and variegated cliffs of Navajo Sandstone, this state park is often overshadowed by its more famous neighbor.

The notorious Wild West outlaw was raised in this unassuming abode.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

Most-visited and most-photographed slot canyon in the American Southwest.

A sharp bend in a dramatic river canyon cut through red rocks.

Archaeologists believe this panel of petroglyphs depicting descending sheep and other figures in Glen Canyon are 3,000 to 6,000 years old.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

A hand-built folk art installation covered with messages of God's love.

An off-grid art installation that encourages its visitors to imagine a world without waste.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A self-built castle made by a mysterious man.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.