The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

The U.S. Fish Commission’s effort to mass produce carp.

Toy museum in a former tavern is the expression of one man's life pursuit of the aesthetic power of cartoon imagery.

The strange and snarky traditions of the lumber industry's fraternal order began with five men waiting for a train here in Arkansas.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

A whimsical art tower at a Bavarian brewery includes a grotto for its mythical beer-brewing dwarves.

Built by the patriotic residents of Boonsboro in a single day.

An alternate history park where the Union Army loses the war... to dinosaurs.

Six beautiful wooden giants are hidden around Copenhagen.

In the basement of the U.S. Capitol Building is a hidden storage room full of ornate floor tiles leftover from the 1850s.

The resting place of a Civil War celebrity's amputated limb.

The birthplace of America's favorite fruit-flavored mystery dessert.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

A giant gun barrel in Barbados that once hoped to shoot outer space with science.

This lab's maddening silence is good for business but bad for sanity.