A fitting attraction for the corn capital of the world.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

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

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

This abandoned sea fort has become an accidental bird sanctuary.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

The trials and tribulations of marking Poe's grave.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

The rogue roots are gradually consuming some of the historic marble grave markers.

The narrowest house in America is seven feet of pure spite.

The only recreation of William Shakespeare's indoor playhouse.

At 207 feet, one of the world's longest continuous escalators.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

A former major munitions plant that has been converted into a sprawling art space.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

America's first federal monument.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

An overlooked memorial honoring the local Washington residents who died in World War I.

A much-maligned monument to teetotalism.