This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

Once America's tallest structure, now a Baltimore landmark.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

The trials and tribulations of marking Poe’s grave.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

Home of the International Space Hall of Fame.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

"I did this all while you were watching TV."

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

The enigmatic skull gazes out over the ruins of a once-great Mayan city.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

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

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Its sunny hues are believed to have inspired the town's color palette.

Iconic red and white plaques show the creative names invented to navigate the city streets.