America's first federal monument.

Only six people can sit inside this delightfully quaint sanctuary.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

One of the last Jazz Age "Wonder Theaters" in New York City.

New York City's smallest piece of private property.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

Play everything you see at a museum dedicated to a town's historic organ industry.

A giant toy jack made of numerous welded-together fire hydrants.

The monument dedicated to Phineas Gage in the town where his accident happened.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A crumbling hospital from the 1850s on Roosevelt Island.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.