A colorful square marks the heart of the city's LGBTQ community.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

A striking lighthouse with views of the Gulf of Mexico and of a military air show.

An icon among Florida's pre-Disney tourist attractions, just west of Orlando.

A building so large that it has its own weather.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

The remains of a foundry and old blast furnaces destroyed during the Civil War are preserved in this central Alabama park.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

In 1911 this intersection was called "the heaviest corner in the South," an outlandish claim that only grew wilder over the years.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

This bridge over D.C.'s Rock Creek Park is sometimes called the "Buffalo Bridge" because of its four buffalo sculptures, which were cast from a single piece of bronze.

This historic boathouse was constructed using salvaged lumber from burned barns.

This small hilltop church weaves the urban history of Washington, D.C. with the national history of the United States.

A brass and marble scale model of the solar system embedded in the concrete.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

Once a sewer culvert, this road tunnel now offers cyclists and pedestrians a subterranean stroll under the C&O Canal.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

Also known as the Founding Church of Scientology.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.