This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Fortified medieval tower house with lovely roof garden.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

In which a local geological marvel becomes a quaint roadside attraction.

Yo, Adrian!

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

A daily replay of the experiment that proved the rotation of the Earth.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

The oldest farmer's market in America is so ancient it was approved by the King of England.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A toxic ghost town sitting atop a massive coal fire.

World's first "penitentiary," meant to be humane, drove men insane.