A rare view of a preserved Victorian science museum.

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

A museum dedicated to the alleged Roswell Incident.

One of the few places where you can explore a 1918 paddlewheel steamboat from stem to stern.

Halloween spirit is alive and well in this small town, where residents race motorized caskets in a yearly tradition.

One of the largest collections of holy relics in the country.

This retired stagecoach tavern is the oldest building in Cleveland.

This NASA test station is home to some of the world’s largest and most powerful space environment simulation facilities.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

Deep scars on the earth left by the Ice Age.

What is it about mushrooms that makes people wish they lived inside of them?

The largest earthwork effigy in the world.

An acoustic anomaly with a mysterious cause.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

One person's lost luggage is another person's treasure.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."