Ornate limestone building now filled with geologic specimens, and more.

This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

A medical facility that has been kept frozen in time.

The celebrated eyesore created by starry-eyed sweethearts.

This Parisian café is dedicated to great tea and the art of knitting.

This emotive sculpture was originally created for the 1878 World's Fair.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

The curious underground history of keeping Paris clean.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Indents in the pavement are all that remain from a grisly death machine in Paris.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

You thought Santa Claus didn't exist, but it turns out you were wrong.

The world's largest collection of the world's largest objects is in one small Illinois town.

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

This stately clubhouse has showcased German-American culture for over a century.

Lions and tigers and leopards, servals, pumas, bobcats, lynxes, and ocelots... oh my!

The world's largest anatomically accurate brain sculpture.