The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

Nature took her revenge on the "Wickedest City in the World."

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

A massive underwater sinkhole made famous by Jacques Cousteau.

Cavernous opening completely encased in Karst limestone.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

The legend associated with these ruins understates the splendor of the mansion that once stood here.

The first hospital in the New World.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.

Monasteries on rock pillars, once accessible only by frayed ropes.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

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

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

This "Little Finland" started as a Finnish utopian society in Eastern Brazil.

The largest open-air contemporary art center in Latin America is a unique experience in the Atlantic Forest.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

An alien landscape of chalk-rock in the Egyptian desert.

This historic mansion was built as a symbol of love between a husband and wife.

Amazing pre-Civil War ruins alongside a shallow, rocky river that hosts beautiful (but endangered) lilies.

A spring-fed pool so deep it's used for scuba diving as well as swimming.