A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

An architecturally-focused antique shop.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

A tunnel of hardened lava along Maui’s famous Road to Hana.

See six states, pickled freaks, rocks, and antiques.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

A giant donut stands as a popular symbol of Los Angeles iconography.

Home to the deepest rift anywhere on Earth.

The world's largest squirrel statue clutches a pecan bigger than your head.

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

Funhouse of found art and participatory sculpture.

This tiny museum's sizable collection is jammed into a former underground public toilet.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

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

Home to Hollywood history and a very special salt crystal.

What is the Thing?

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.