A miniature rainforest is growing inside of a Midtown Manhattan office building.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Take a drunken tour inside the world's largest known geode.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

This Old Testament garden features 100 plants from biblical times.

Century-old shop, specializing in Occult products.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

A rare view of a preserved Victorian science museum.

Continuing the tradition of the dime museum in style.

A tribute to the "toughest woman on the Texas frontier," who survived a famous battle and five husbands.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

One part antique store, one part curiosities hodge-podge.

DIY collection of eclectic holdings.

A grove of colossal man-made flowers built to collect the sun's rays.

Free public park and gardens filled with peacocks and peahens.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Now abandoned, this East Austin school for the disabled began as the "State Colony for the Feeble-minded."