Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

Railroad came. People came. Railroad left. Town died.

These eerie outliers of the lightning bug family glow a mysterious blue color.

This bridge is haunted by the ghost of a distraught mother.

Nature and religion are reunited at this unconventional church in the forest.

This unusual building straddles two countries.

Final resting place of the two women killed on a small island off the coast of New Hampshire.

The most photographed house in Maine looks good enough to eat.

An unrecognized nation-state created in the 1820s to avoid taxes.

Turns out you can see the world without ever leaving Maine.

This former prison now houses a lovely library devoted to Quebec's oft-maligned English-speaking history.

Tucked away in a corner of a Maine general store there was a museum devoted to an equally beloved and reviled local soft drink.

This museum on a college campus pays tribute to the Arctic and to two explorer alumni.

An 18th-century home taken over by antique automatons and musical machines (Closed).

The 14th-century ruins are said to contain healing powers.

Executed in 1401, Exhumed in 1878, Stolen in 2010.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

A 200-year-old collection of medical paraphernalia in a historic house.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

Home with Gothic windows featured in a famous painting.

Eclectic collection of dark and macabre antiques.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.