Exact replica of the ancient monument, but much, much lighter.

Outsider art meets paleontology at this roadside reptile repository.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This working class sculpture pounds his hammer all the livelong day.

This painted blacktop brings the classic arcade game to life.

This recently restored timepiece has stood all around Kansas City.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

University City's quirkiest resident lives in a park named after its first.

This giant green head remembers one of America's jazz giants.

This otherworldly church spire reaches up toward the heavens.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

This is not your typical jungle gym.

This abandoned prison castle has become an imposing gallery of graffiti art.

Community bookshelf of 25-foot-tall book spines.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

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

Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

The United States Capitol's former columns still stand.

A collection of artifacts from Maryland's maritime past.

Remnants of a storybook amusement park hidden behind a strip mall.