Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Read a book next to a Midtown waterfall.

One of the American Southwest's most extensive collections of Navajo rock art.

An army of sleeping knights sculpted by a self-taught local artist beautifully depict an old Czech legend.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Secret refuge and museum of the Duke of Florence.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

This working class sculpture pounds his hammer all the livelong day.

The first park built over a freeway is a brutalist masterwork.

A giant Troll lurks under one of Seattle's oldest bridges.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

The oldest continuously operating fish market in the United States.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

There’s a hidden military meme engraved on the World War II Memorial.

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

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

The "lovely red Vega" of the legendary record-settling pilot.

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

The privately owned cemetery that holds room for Washington's finest when they step down from life.

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.

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