This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

This curious, round temple is the oldest still-standing marble building in Rome.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

A natural dome made of volcanic glass in Inyo National Forest.

Football field-sized microalgae production tanks on the Hawaiian coast create a stunning view from space.

The best Tiki bar in Las Vegas.

This collector's home is a constant work in progress.

An Old West film set seen in countless TV shows and movies is open for the public to explore.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

A massive sea stack famous for its appearance in The Goonies.

The second oldest continuously operating bar in Louisiana.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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.

A huge musical instrument played by the ocean.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

One woman's Viking Castle on Lake Tahoe.