Some believe Ponce de León's mystical spring lurks right under a public drinking fountain.

More than 350 million years ago, western New York was covered in a vast sea. Today, you can dig up the remains of the plants and animals that lived there.

A creative deviation in this post office's design was once a source of controversy.

A unique collection of diving equipment spanning antiquity to the present day.

This Florida museum dedicated to western artwork is entered through an artificial canyon with imported sandstone.

The world's largest private aircraft collection.

The highway's southernmost spot is a beloved local attraction.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Florida’s half-sized replica of the Vietnam Veterans Wall.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

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.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

During the holidays, a vintage subway train whisks New Yorkers back in time.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

One of only two commuter aerial tramways in the United States.

The "Seinfeld" diner.

Ride the subways of yesteryear.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.