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

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Medical and zoological curiosities for sale.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A layered tribute to the work of mosaicist Isaiah Zagar.

Try not to get slimed in Tribeca.

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

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The legendary building that needed ghostly approval before being built.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

World's largest collection of serial killer artwork and other macabre exhibits.

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

A terrific purveyor of natural history objects and curios.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

This sprawling bookstore spans four floors and has more than a million books in stock.