Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

The world's brightest bioluminescent bay.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

A lover's walk between hilltop towns, decorated with graffiti love notes.

See six states from the newly restored 100-year-old historic roadside attraction.

A cemetery housing wild west legends in South Dakota.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

The first declared National Monument in the United States.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

One of many gator theme parks, abandoned in the sugar fields of South Florida.

A circus legend leaves an unexpected endowment.

Like Mardi Gras, only everyone's a pirate.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This Florida resort community is where the Amish come to have fun in the sun.