Millions of numbers carved in glass represent the tattoos forced upon victims.

A mysterious stone embedded at the base of a historic Boston building.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The private clubhouse for the members of the Academy of Magical Arts.

World's largest collection of serial killer artwork and other macabre exhibits.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

Read a book next to a Midtown waterfall.

The unassuming structure was part of a Major League Baseball stadium.

This poignant display is now a memorial to these regionally extinct species.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

An overlooked memorial honoring the local Washington residents who died in World War I.

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

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

This amazing collection includes rare stamps from around the world, including fluorescent ones.

The first patented shaved-ice machine heralded a snowy wonderland of iced treats at a favorite New Orleans summer shack.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.