Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

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

The span is crooked and made from two older recycled bridges.

Perhaps the most scandalous statue of America's first president.

The oldest continuously operating fish market in the United States.

It was once the base for a series of domestic terror attacks.

The most accurate timepiece in the world.

A historic ruin just 20 feet away from a busy highway onramp.

A super-sized promotional trick that is now a D.C. landmark.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A historic neighborhood church is reborn as a psychedelic arts collective.

Hundreds of bras, blowing in the wind.

Largest Kauri tree in New Zealand.

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

The largest necropolis in the Southern Hemisphere.

These mythological giants take time out of their busy day guarding a Victorian market to let you know what time it is.

The yawning remains of a complex naval fortress still haunt this Australian shore.

This historic observatory contains the world's oldest refracting lens telescope.

The Victoria-era quarantine station for Sydney.

A special train service transported Sydney's dead from this station to "Necropolis Receiving Houses" at Rookwood Cemetery.