Read a book next to a Midtown waterfall.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

The remains of what was, not so long ago, the world's largest city.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

In which a local geological marvel becomes a quaint roadside attraction.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

This might just be the TARDIS of bookstores.

A museum dedicated to exhibiting remarkable outsider art.

Remains of a historic fountain that was mysteriously lost in the demolition of a D.C. traffic circle.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

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

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

A much-maligned monument to teetotalism.

Home to items never before seen by the public.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

A once-secret library of Freemason history in Catalonia.

These naturally balancing rocks were pictured on every Zimbabwean banknote, up to the 100 trillion-dollar note.

Every equinox this Maya pyramid puts on a spooky ancient light show.

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

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.