A town pays homage to its namesake.

Elevated freight railway turned wildly successful urban park.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Try not to get slimed in Tribeca.

A crumbling hospital from the 1850s on Roosevelt Island.

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

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

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

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The former broadcast site has been reimagined as a museum about the medium.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

An enormous image of Utah's salt flats made entirely from tape.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

A tunnel with windows, so you don't miss out on the impressive views.

Oddly shaped rock formation, misassociated with a nearby utopian community.