This Tibetan monastery has survived multiple attacks and is also a sky burial site.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

This deadly little sliver of beach has seen hundreds of whales beach themselves over the years.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

A mysterious spirit totem at the edge of Navajo lands.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

Priceless space junk on display in front of a local Dairy Queen.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

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

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

The first American axe throwing club.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

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

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

There's a crumbling old mansion inside the Smithsonian National Zoo.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Fittingly, America's museum of architecture is itself a magnificently designed old building.