Free public park and gardens filled with peacocks and peahens.

Watch the newest land on the planet form before your eyes.

Thousands of mounted insects, and some live ones, hide within an otherwise ordinary shopping mall.

A remote horde of architectural treasures fit for Indiana Jones.

This secret gem of a toy store houses a rideable carousel populated with fantasy animals.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

An abandoned church gets a second life as a massive beer hall and event space.

Eighteen miniature death-scene dioramas.

A derelict bit of transportation infrastructure hidden in the woods.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

This grand gothic brewery has been pumping out suds for over a hundred years.

The oldest continuously operating fish market in the United States.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Home to items never before seen by the public.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

A surprising, but overlooked example of geology in the middle of the nation’s capital.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

An enormous, inside-out glass globe built in 1935.

A painfully obvious spy house sits right across the street from the Russian Embassy.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

Ever wanted the laymen's version of your credit card fine print?