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

Wine bottle sculpture with a ship's stateroom inside.

An annual extravaganza of Broadway theater memorabilia.

A bit of retro transportation flair preserved in the world's largest department store.

Once America's tallest structure, now a Baltimore landmark.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The first piece of public art dedicated to LGBT rights.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

New York City's only radical feminist independent bookstore.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

This sidewalk tribute honors Colorado's great culinary creation.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Commemorating the spot where the famous scientist fed his pigeons.

There must be a pun in this haystack somewhere...

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Read a book next to a Midtown waterfall.

Elevated freight railway turned wildly successful urban park.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

Washington's iconic carousel has a nice piece of Civil Rights history.