The restored and active Victorian-era final resting place of San Francisco.

Golden Gate Park's historic collection of plants.

In this century-old literary safehouse, print is alive and well.

San Francisco's newly reopened hands-on science museum.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

Abraham Lincoln's vice president took his last breath here on July 4, 1891.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

Born a slave on the Arlington estate, Parks dug the first graves at Arlington National Cemetery, and was buried there, too.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

The iconic statue was moved to a new spot overlooking the James river after several years as a mascot for the local baseball team.

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

A "hospital" where people went to be quarantined, die, and be buried in the yard.

An overgrown garden stands as a grim marker of an unrealized dream.

At 207 feet, one of the world's longest continuous escalators.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

The narrowest house in America is seven feet of pure spite.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

One of the last active volcanoes on the Eastern seaboard.

The home of pigs, snakes, chameleons, and the alleged largest bunny in the United States.

An original apothecary from 1792.