Dentist's hated concrete colossi are now beloved icons of the community.

A middle school sports field that many believe was the true location of the first successful powered flight - and not by the Wright Brothers.

Established in 1853, this crumbling cemetery sits forgotten on the corner of Church and Chapel in Gold Country.

A rich history stashed behind an unassuming door in the heart of Gold Country.

An abandoned lot littered with concrete debris was once the home of the world's first female railroad president.

A watering hole where the options for seating include a bar, patio, or subterranean cave.

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

This fully intact Neoclassical-Greek Revival style firehouse operated until 1938.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

The first U.S. town to secede from the Union, only to vote themselves right back in.

The oldest continuously operating Catholic school west of the Mississippi.

Built in 1895, this bed and breakfast was once a hospital that served an early 1900s Gold Rush boomtown.

The modest home of the very immodest dancer who cost a king his crown.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

A fine mixture of the old and the new topped with an art deco neon spire.

Bits and pieces from the ill-fated Donner Party's winter cabins.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

Recovered suit of a cannibalistic West African gang.