Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

This vast kitty-themed collection illustrates the history of human-cat interaction.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A library and shop devoted to the body, mortality, and bringing to light forgotten or neglected histories

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

Sniff the Titan Arum's rotting flesh.

An abandoned subway tunnel that could have reinvigorated Staten Island still lies somewhere beneath this Brooklyn park.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

The home of a famed utopian science fiction author has been preserved long after his predicted future in the year 2000.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

"I did this all while you were watching TV."

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

Mysterious glowing orbs float through the desert night.

Open day and night, a church with three pews and Bibles.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

This impressive Boston holy house is the American mecca for Christian scientists.

A beautiful Victorian-era cemetery, complete with a miniature village.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

Three prestigious academic collections come together to create a world-class natural history museum.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

The history of the traveling carnival is remembered by this sprawling collection of vintage wagons, games, and rides.