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

It houses the remains of a 17th-century version of the Titanic.

The southernmost outpost of the Russian Empire in colonial America.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

This historic hub for labor unions has survived the city's changing landscape.

A community gathering place that once housed half-ton tanks and the World's Fair.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

Shakespeare has been brought to life in this open air theater for the better part of a century.

Perfect your fly fishing technique on their practice ponds.

A miniature view of the park, caught in time.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

Final resting place of a New Haven urban legend.

A vast collection of rare books, manuscripts & extraordinary objects illustrating the history of medicine.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

Connecticut grave of the woman responsible for the Winchester Mystery House in California.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

Mexico's astounding mummy museum with "the world's smallest mummy."

This restaurant's marvelous musical machines include a self-playing violin.

It is locally loved and ridiculed for literally looking like poop.

A life-sized mammoth sculpture marks the spot where the remains of a Columbian mammoth were discovered in 2005.