The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

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.

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

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

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

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

One of the shortest streets in York has an especially odd name.

This network of narrow, medieval passages has the most delightful name.

Follow the original medieval paths that wind through this intriguing section of the city.

A century-old tradition has culminated in a small but singular collection of feline effigies.

A complicated contraption for telling time by the moon.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Less a museum than a bizarre fantasy world created by artists and engineers.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Avoid gangster interaction while window-shopping.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Elevated freight railway turned wildly successful urban park.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'