The vast, legendary catacombs hold secrets much stranger than stacked bones.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Ancient pueblos built into the base of a natural canyon wall.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

Oldest building in California still in use.

This stately structure has been abandoned for half a century.

This 19th-century sugarcane plantation is one of the most well-preserved estates of its kind, including its original quarters for enslaved laborers.

Wisconsin's most celebrated export gets the royal treatment on I-94.

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

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Fantastic collection celebrating the final send-off.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.