Sip a cappuccino in the historic cafe that introduced them to the United States.

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."

A devastating booze inferno poured through the streets, claiming several victims who drank it.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

The wreckage of a crash that killed nine people still litters the Franklin Mountains.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

America's oldest Italian restaurant is a San Francisco institution.

Floating man-made island and upscale restaurant.

The only visible piece of San Francisco's most famous shipwreck.

Visible below the waves are memorials to the city's Gold Rush dead.

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

A modern mechanical planetary system, part of a 10,000 year clock.

The only place in America where anyone who wants can shovel coal aboard an antique train.

This lush 12-acre site was once named the finest Japanese garden in North America.

A wondrously macabre treasury of obscure antiques and unusual oddities.

This baseball diamond was home to the Rockford Peaches, a team featured in the hit film "A League of Their Own."

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

At the largest railway museum in the United States, you can see everything from an early steam engine to a functioning Thomas the Tank Engine.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

Manhattan's deadly West Side railroad, which killed hundreds of New Yorkers, is remembered by this simple plaque.

There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.