A wonderful collection of all things Oz is nestled in the heart of Kansas.

This historic cliffside mansion uses a natural cave for air conditioning.

These elevated trucks were put in place as a middle finger to The Man, but are now considered folk art.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

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

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

This leafy estate is worth $18 million and is so grand it has two mailing addresses.

This poor little statue is the most vandalized memorial in Washington.

The "lovely red Vega" of the legendary record-settling pilot.

Where the U.S. government kept its actual treasure, before Fort Knox.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

An institution dedicated to curiosity, logic, riddles, and Mongolia's long history of puzzles.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

Modern design and unusual architecture make this mountaintop temple no ordinary Buddhist retreat.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

A double agent hid information for the Soviet Union beneath this bridge for more than 20 years.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

A wondrous old library overlooking the nation's capital.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.