A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

This general store is more than a century old and home to various oddities and antiques.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Time travel with sweets across history at this research-based candy store.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Bizarre Cavern.

After the parade, students throw their beads on the tree hoping for good luck on exams.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

The tallest monument in a historic New Orleans cemetery was prompted by romance and dash of pettiness.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The fairy tale castle of the "fairy-tale king."

Built by the patriotic residents of Boonsboro in a single day.

Eighteen miniature death-scene dioramas.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

An artist's cute bronze subway sculptures belie his violent artistic past.

Cryptic messages embedded in the New York City sidewalk.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.