Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Walk through Czech history in Prague's largest graveyard.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

Eulogizing an unknown man's unusual demise.

The rest of him lived another 61 years and was buried elsewhere.

The largest crypt ever constructed in France was built in the 11th century on an ancient Druid sacred site.

This small monument to the great inventor contains a time capsule and a Wi-Fi hotspot.

The world's most famous donkey lives in this pen.

Four miles of pipelines form the model of still-functioning retro-tech efficiency.

Furniture tries to escape an abandoned building in San Francisco.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

This Japanese treats shop may have been the first business to mass-produce fortune cookies in the United States.

Once the fastest ship from San Francisco to Tahiti, the Galilee now lays in pieces in three different cities.

This eatery transports diners to a place that no longer exists: East Germany.

The rustic cabin-like decor of this Arts and Crafts-style church reflects the love of nature central to its little-known theology.

A shining, cold, black organ lies in San Francisco's financial district.

Art in the form of a winding, man made crack in stone.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

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

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.