Parking garage where Bob Woodward met Watergate source "Deep Throat."

The latest in a series of long glass bridges suspended at terrifying heights.

Years of archaeology, just chillin' by the water cooler.

An artistic tribute to the famous singer, just around the corner from where he was born.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

This subterranean disco dance club in a Cuban cave comes with bright lights and a dark legend.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

This museum honors the first Spanish land grant in California which is still in the hands of the original owner's family.

The 10-foot-wide Long Beach home was built on a dare.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

The creator of the carousel's bingo-pinball hybrid survives in California's oldest gaming establishment.

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

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

Get up close to emus and ostriches, or buy their tasty meat.

A tribute to long time Venice Beach resident, artist and actor Dennis Hopper.

Giant scissors seemingly stabbed into the side of a hair salon leave no question about the vocation of the owners.

Iconic Los Angeles residence famous for its 19 statues of Michelangelo's David.

An enchanted arts space which assumes infinite identities.

This hands-on math museum believes in turning concepts into constructs.

The largest collection of two headed animals in the world.

Where the leftovers of love affairs can live on forever.