The largest Lenin statue in Central Asia was moved to an empty field rather than being destroyed.

Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

This retro, UFO-like structure is a remnant of the Soviet-era circus.

A boulder carved into the shape of the cosmonaut's head.

Roman ruins top white travertine terraces formed by ancient hot springs.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

Often referred to as the largest spring in America.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

An impressive collection of farm equipment and other artifacts from life on the prairie.

A fitting attraction for the corn capital of the world.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

This 41,000-acre wetland complex is the largest marsh in the interior of the United States.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.

A magnificent church designed by world-renowned architect, Frank Lloyd Wright.

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

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

One of the largest trees of its kind in California.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A unique botanical garden housed in three giant geodesic domes.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

The once highest point in China blends symbolic design with a kick of adrenaline.