This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Experience a charming 1930's version of "infotainment."

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

The world's largest fire hydrant is supposedly tornado-proof.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Museum preserving torture methods from the past.

The history and future of cannabis.

The attic of a four-century-old canal house hides a clandestine church.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

This unattributed sculpture in Amsterdam is hiding in plain sight.

A grove of colossal man-made flowers built to collect the sun's rays.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This small stone building, the final work of a renowned artist, offers a peaceful environment with radiant, colorful glass windows .

Locals dubbed it the "Owl Building" because of its bird-like appearance.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

One part antique store, one part curiosities hodge-podge.

The world's largest squirrel statue clutches a pecan bigger than your head.

A popular swimming hole that hides one of America's most deadly diving spots.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

The 40-foot-tall votive candle is the largest of its kind.