A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

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

Millions of numbers carved in glass represent the tattoos forced upon victims.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The site of Paul Revere's historic two lantern warning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

A massive sea stack famous for its appearance in The Goonies.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

Community bookshelf of 25-foot-tall book spines.

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