The first purpose-built art gallery in the United States is once again open as a center of craft arts.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

A melting pot of Asian-Pacific art features one symbolic sculpture from each of 20 different nations.

An enormous public square and parade ground built to celebrate Ghana's independence.

An exquisite and eclectic selection of African masks stands out within a massive woodcarving marketplace.

The Kenyan town where the best distance runners in the world are trained.

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

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

These ancient sacred grounds granted amnesty to those who managed to reach them.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This black shoreline is made up of exploded lava particles.

A winding district gerrymandered into the shape of a mantis.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

A museum dedicated to exhibiting remarkable outsider art.

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

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

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

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

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

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

This free, take-a-book shop seems like a trick but isn't.