A work of art that pays homage to a Victorian timepiece in Providence.

The way that light hits a stained glass window on a specific day is one of many "clues" to a mysterious treasure.

Shop for books in the New Orleans house where William Faulkner once lived.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

French commune at the heart of conspiracies.

One man's homage to the sun continues to grow like a glass fractal.

This cemetery is home to numerous granite headstones that are works of art unto themselves.

A carousel trades in its classic horses and calliope for endangered species, native flora and fauna, and a modern soundtrack.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

More than 350 million years ago, western New York was covered in a vast sea. Today, you can dig up the remains of the plants and animals that lived there.

A natural gas leak provides a flickering flame beneath a waterfall.

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

A winding, cliffside stretch of road overlooking the Delaware River.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

New Orleans' famous cemetery, located on the site of a former race track.

This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

A permanent exhibition honors Queen, which recorded seven albums at the casino-based studio, including “Under Pressure” with David Bowie.

This cave was once thought to be a hiding place for the devil.

A shockingly detailed small scale recreation of the temples of Abu Simbel.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

Strange physical sensations and optical contradictions keep visitors coming back for more.

A series of fish plaques that are embedded in the malls of Ocean Parkway.

A site of pagan worship which still attracts people looking for fairies.