The former home of the 11th president of the United States.

A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

The first Italian factory to produce locomotives is now a marvelous museum.

Visitors to this Kentucky homestead turned museum are immediately transported back to the Antebellum south.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

Two creeks flow out of either end of this canyon in opposite directions.

Tucked away in the forests of North Florida resides a 19th-century lighthouse.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

The half-mile long structure is so impressive, it even shows up on satellite images.

Pay homage to a mysterious feline artifact outside of this Florida museum.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

A regular looking rock with an unbelievable history.

Don't blink or you'll miss it.

A mysterious spirit totem at the edge of Navajo lands.

This old mining town, deep in the California desert, has a year-round population of one.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

North Carolina's finest examples of Native American pictographs have survived for 5,000 years.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The most northerly active sand dunes in the world have some very rare botanical residents.

The first full-scale tunnel built in America is short but scenic.