An ode to "The Queen of Appalachia."

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

This chestnut box will not be opened until the country music legend's 100th birthday in 2046.

The art studio of an early 20th-century painter, hidden amid the Great Smoky Mountains.

An abandoned town is hidden in Great Smoky Mountains National Park.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

This unique zoo is the only place in the world where you can see all 15 species of crane.

A technicolor place of worship for Elevationists.

An abandoned observatory in the middle of the Illinois prairie.

This folk art wall claims to be the world's one and only memorial to the bygone age of hippies.

This abandoned bridge is now a favorite haunt for graffiti artists.

Built in 1927, this pink stucco hotel once hosted stars of Hollywood’s silent movie era. Now it's being brought back to life.

An ever-updating collection of retro Americana.

An acoustic anomaly with a mysterious cause.

Humboldt's human-powered sculptures race across land and sea for days on end in a wacky quest for dominance.

One of only five observatories in the world built to measure the Earth's wobble.

One of the largest Buddhist communities in the West sits on the site of an old hospital.

A grove of "candelabra redwoods" deep in California's Lost Coast.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

Celebrating the transformation of trash into objects of beauty.

Impressive sink holes fill this untouched old-growth forest in the Bahamas.

Inhospitable caverns just beneath this island paradise offer insights into alien worlds.

An underwater road considered a possible Atlantis location.

One man's love of sea life and art has turned his home into a temple of outsider island art.