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

The final resting place of the first documented Chinese person in the United States lies in a Boston cemetery.

Commemorating the 1948 creation of the Jimmy Fund, a Boston-based cancer charity.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

What may be Boston's finest Art Deco building, located in the city's Financial District.

This magnificent, quirky home sits atop a literal gold mine in the middle of the Nevada desert.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

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

The fragmented remains of a massive public bath connected to the city's water supply.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.