Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

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

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

This splendid tomb may look fantastic, but there's nothing in it...

The world's most important buildings shrunk to a tiny size.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

This unusually circular centenarian barn became a Route 66 icon.

One of the best examples of Art Deco architecture in the United States.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

An acoustic anomaly with a mysterious cause.

A half-size replica of the World Trade Center towers above Tulsa.

These massive mitts are made of 30 tons of devotional bronze.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

The world's first and only three-segment bascule bridge folds up into the shape of a capital "N" to let boat traffic through.

This famed marionette theater and museum is bursting with imaginative string puppets.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

A fearsome dragon clings to a corner of Munich's city hall.