A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

A unique attraction and museum dedicated to exploring iconic roadside structures.

Before founding the American Red Cross, Clara Barton had a tremendous humanitarian impact by locating thousands of missing soldiers.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

An idle pastime becomes a record holder in Boys Town, Nebraska.

This museum glorifies the humble potato.

Home of Howard Hughes' Spruce Goose.

Tens of thousands of tiny birds swarm into one school chimney every fall.

Everything you always wanted to know about borates is here.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

The best place to send your postcards home from Antarctica.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

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

A museum dedicated to the history and art of staying clean.

An eerie, derelict amusement park in Berlin.

A collection of relics from the Spiritualist Camp Chesterfield.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Take a drunken tour inside the world's largest known geode.

Weighing 30,000 pounds, this monument represents Detroit's first industrial era.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

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

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.