No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

A giant chess set, minus the psychedelic drug trip.

An extensive collection of ancient Egyptian artifacts and mummies.

The largest permanent Monopoly board makes one of the longest games even bigger.

Graffiti-covered ruins that were once part of a farm owned by a mental hospital.

Hidden in the back of a disused small town hotel is a dive bar shellacked with over a million pennies.

The timepiece that exonerated a labor radical accused of a parade bombing that killed ten people.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Visit this church that's shaped like a giant glass pump either to cater to women or to reference a tragic local tale. Or both.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Nature took her revenge on the "Wickedest City in the World."

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

Couple's personal collection of pinball machines turned public pinball museum.