A hollow cement depiction of time's inexorable effect on the human body.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

Get a privileged view over Mexico City's Historic Center from a terrace right in its heart.

An elegant space dedicated to a master of romanticism and minimalism.

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

A commemoration of over 150 of St. Louis's favorite sons and daughters.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

This water tower has been a staple of the Rochester skyline since 1931.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

One of the world's earliest skyscrapers.

This mausoleum is the final resting place of one of St. Louis's richest and most tragic families.

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

One of few surviving standpipe water towers in the U.S.

One man's unrequited love stands in a glass box forever.

An abandoned factory along the Mississippi coated by a giant mural.

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

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.