A gift from Japan, 17th-century lantern stands among the cherry trees at D.C.'s Tidal Basin.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

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

A sculpture made from recycled materials and hand-blown glass dedicated to transportation and transformation.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

This unique historical monument features large concrete spheres designed to resemble fallen stars.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

Fuel your honky-tonking with this venue's unbeatable “Recession Special.”

The alley connecting two of country music’s most historic venues has a rich history of its own.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A record-size collection of wild-haired troll dolls tells the story of the mythical creature's roots in Scandinavian folklore.

The 25th President's marble casket can be visited in this classical Ohio tomb.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

How did a former First Lady's tiara wind up being sold to a pawn shop on reality TV?

Pennsylvania's own Roswell-style UFO mystery.

This giant, rotating globe was built to celebrate the expansion of a company that makes steam cleaners and pressure washers.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.