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

Descend into the tunnels to experience the life of a coal miner.

A little sculpture with a large wardrobe.

Theme park featuring miniature replicas of European monuments.

The tiny Belgian town's ancient version of Mardi Gras involves eerie wax masks, sticks for warding off evil, and ostrich plume hats.

Petting this mysterious iron monkey supposedly brings good luck.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

The loneliest island in New York.

This Seattle store is packed with all sorts of curious creatures and creations.

This private home is famous for appearing in the cult-classic "Twin Peaks" series.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

The highest point in Washington state is a volcano covered in glaciers.

Rustic natural hot springs in the deciduous rain forest.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A museum dedicated to the history and exploration of both popular music and science fiction.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Three hundred years of preserved Spanish colonial history in San Antonio.

A 131-year-old wunderkammer of Texas history.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

One of corporate America's best-kept secrets is also one of the most publicly displayed.