Where manatees are the snowbird vacationers in these balmy Florida springs.

North Central Florida's largest flea market and a weekend roadtripper's dream.

The largest retailer of seashells in the world.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

The United States Capitol's former columns still stand.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

A museum dedicated to exhibiting remarkable outsider art.

The trials and tribulations of marking Poe's grave.

An astounding collection of medical specimens, including bits of President Lincoln.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

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

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

A celebration of once forgotten materials.

A private home built to resemble the shape of a microscopic creature.

A store that sells all manner of bones, insects, and animal curiosities.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A museum devoted to the victims and the survivors of the most catastrophic fire in American history.

Three vintage horses survived a 1976 inferno and found a home on a sister carousel.

The history of radiation is on safe display at the foot of a radiation science laboratory.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

Climb inside an iron crystal magnified 165 billion times its normal size.